2 * Copyright (c) by Jaroslav Kysela <perex@suse.cz>
3 * Universal interface for Audio Codec '97
5 * For more details look to AC '97 component specification revision 2.2
6 * by Intel Corporation (http://developer.intel.com).
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
25 #include <sound/driver.h>
26 #include <linux/delay.h>
27 #include <linux/init.h>
28 #include <linux/slab.h>
29 #include <linux/pci.h>
30 #include <linux/moduleparam.h>
31 #include <sound/core.h>
32 #include <sound/pcm.h>
33 #include <sound/ac97_codec.h>
34 #include <sound/asoundef.h>
35 #include <sound/initval.h>
36 #include "ac97_local.h"
38 #include "ac97_patch.h"
40 MODULE_AUTHOR("Jaroslav Kysela <perex@suse.cz>");
41 MODULE_DESCRIPTION("Universal interface for Audio Codec '97");
42 MODULE_LICENSE("GPL");
44 static int enable_loopback
;
46 module_param(enable_loopback
, bool, 0444);
47 MODULE_PARM_DESC(enable_loopback
, "Enable AC97 ADC/DAC Loopback Control");
53 struct ac97_codec_id
{
57 int (*patch
)(struct snd_ac97
*ac97
);
58 int (*mpatch
)(struct snd_ac97
*ac97
);
62 static const struct ac97_codec_id snd_ac97_codec_id_vendors
[] = {
63 { 0x414b4d00, 0xffffff00, "Asahi Kasei", NULL
, NULL
},
64 { 0x41445300, 0xffffff00, "Analog Devices", NULL
, NULL
},
65 { 0x414c4300, 0xffffff00, "Realtek", NULL
, NULL
},
66 { 0x414c4700, 0xffffff00, "Realtek", NULL
, NULL
},
67 { 0x434d4900, 0xffffff00, "C-Media Electronics", NULL
, NULL
},
68 { 0x43525900, 0xffffff00, "Cirrus Logic", NULL
, NULL
},
69 { 0x43585400, 0xffffff00, "Conexant", NULL
, NULL
},
70 { 0x44543000, 0xffffff00, "Diamond Technology", NULL
, NULL
},
71 { 0x454d4300, 0xffffff00, "eMicro", NULL
, NULL
},
72 { 0x45838300, 0xffffff00, "ESS Technology", NULL
, NULL
},
73 { 0x48525300, 0xffffff00, "Intersil", NULL
, NULL
},
74 { 0x49434500, 0xffffff00, "ICEnsemble", NULL
, NULL
},
75 { 0x49544500, 0xffffff00, "ITE Tech.Inc", NULL
, NULL
},
76 { 0x4e534300, 0xffffff00, "National Semiconductor", NULL
, NULL
},
77 { 0x50534300, 0xffffff00, "Philips", NULL
, NULL
},
78 { 0x53494c00, 0xffffff00, "Silicon Laboratory", NULL
, NULL
},
79 { 0x54524100, 0xffffff00, "TriTech", NULL
, NULL
},
80 { 0x54584e00, 0xffffff00, "Texas Instruments", NULL
, NULL
},
81 { 0x56494100, 0xffffff00, "VIA Technologies", NULL
, NULL
},
82 { 0x57454300, 0xffffff00, "Winbond", NULL
, NULL
},
83 { 0x574d4c00, 0xffffff00, "Wolfson", NULL
, NULL
},
84 { 0x594d4800, 0xffffff00, "Yamaha", NULL
, NULL
},
85 { 0x83847600, 0xffffff00, "SigmaTel", NULL
, NULL
},
86 { 0, 0, NULL
, NULL
, NULL
}
89 static const struct ac97_codec_id snd_ac97_codec_ids
[] = {
90 { 0x414b4d00, 0xffffffff, "AK4540", NULL
, NULL
},
91 { 0x414b4d01, 0xffffffff, "AK4542", NULL
, NULL
},
92 { 0x414b4d02, 0xffffffff, "AK4543", NULL
, NULL
},
93 { 0x414b4d06, 0xffffffff, "AK4544A", NULL
, NULL
},
94 { 0x414b4d07, 0xffffffff, "AK4545", NULL
, NULL
},
95 { 0x41445303, 0xffffffff, "AD1819", patch_ad1819
, NULL
},
96 { 0x41445340, 0xffffffff, "AD1881", patch_ad1881
, NULL
},
97 { 0x41445348, 0xffffffff, "AD1881A", patch_ad1881
, NULL
},
98 { 0x41445360, 0xffffffff, "AD1885", patch_ad1885
, NULL
},
99 { 0x41445361, 0xffffffff, "AD1886", patch_ad1886
, NULL
},
100 { 0x41445362, 0xffffffff, "AD1887", patch_ad1881
, NULL
},
101 { 0x41445363, 0xffffffff, "AD1886A", patch_ad1881
, NULL
},
102 { 0x41445368, 0xffffffff, "AD1888", patch_ad1888
, NULL
},
103 { 0x41445370, 0xffffffff, "AD1980", patch_ad1980
, NULL
},
104 { 0x41445372, 0xffffffff, "AD1981A", patch_ad1981a
, NULL
},
105 { 0x41445374, 0xffffffff, "AD1981B", patch_ad1981b
, NULL
},
106 { 0x41445375, 0xffffffff, "AD1985", patch_ad1985
, NULL
},
107 { 0x41445378, 0xffffffff, "AD1986", patch_ad1985
, NULL
},
108 { 0x414c4300, 0xffffff00, "ALC100,100P", NULL
, NULL
},
109 { 0x414c4710, 0xfffffff0, "ALC200,200P", NULL
, NULL
},
110 { 0x414c4721, 0xffffffff, "ALC650D", NULL
, NULL
}, /* already patched */
111 { 0x414c4722, 0xffffffff, "ALC650E", NULL
, NULL
}, /* already patched */
112 { 0x414c4723, 0xffffffff, "ALC650F", NULL
, NULL
}, /* already patched */
113 { 0x414c4720, 0xfffffff0, "ALC650", patch_alc650
, NULL
},
114 { 0x414c4760, 0xfffffff0, "ALC655", patch_alc655
, NULL
},
115 { 0x414c4781, 0xffffffff, "ALC658D", NULL
, NULL
}, /* already patched */
116 { 0x414c4780, 0xfffffff0, "ALC658", patch_alc655
, NULL
},
117 { 0x414c4790, 0xfffffff0, "ALC850", patch_alc850
, NULL
},
118 { 0x414c4730, 0xffffffff, "ALC101", NULL
, NULL
},
119 { 0x414c4740, 0xfffffff0, "ALC202", NULL
, NULL
},
120 { 0x414c4750, 0xfffffff0, "ALC250", NULL
, NULL
},
121 { 0x414c4770, 0xfffffff0, "ALC203", NULL
, NULL
},
122 { 0x434d4941, 0xffffffff, "CMI9738", patch_cm9738
, NULL
},
123 { 0x434d4961, 0xffffffff, "CMI9739", patch_cm9739
, NULL
},
124 { 0x434d4969, 0xffffffff, "CMI9780", patch_cm9780
, NULL
},
125 { 0x434d4978, 0xffffffff, "CMI9761", patch_cm9761
, NULL
},
126 { 0x434d4982, 0xffffffff, "CMI9761", patch_cm9761
, NULL
},
127 { 0x434d4983, 0xffffffff, "CMI9761", patch_cm9761
, NULL
},
128 { 0x43525900, 0xfffffff8, "CS4297", NULL
, NULL
},
129 { 0x43525910, 0xfffffff8, "CS4297A", patch_cirrus_spdif
, NULL
},
130 { 0x43525920, 0xfffffff8, "CS4298", patch_cirrus_spdif
, NULL
},
131 { 0x43525928, 0xfffffff8, "CS4294", NULL
, NULL
},
132 { 0x43525930, 0xfffffff8, "CS4299", patch_cirrus_cs4299
, NULL
},
133 { 0x43525948, 0xfffffff8, "CS4201", NULL
, NULL
},
134 { 0x43525958, 0xfffffff8, "CS4205", patch_cirrus_spdif
, NULL
},
135 { 0x43525960, 0xfffffff8, "CS4291", NULL
, NULL
},
136 { 0x43525970, 0xfffffff8, "CS4202", NULL
, NULL
},
137 { 0x43585421, 0xffffffff, "HSD11246", NULL
, NULL
}, // SmartMC II
138 { 0x43585428, 0xfffffff8, "Cx20468", patch_conexant
, NULL
}, // SmartAMC fixme: the mask might be different
139 { 0x44543031, 0xfffffff0, "DT0398", NULL
, NULL
},
140 { 0x454d4328, 0xffffffff, "28028", NULL
, NULL
}, // same as TR28028?
141 { 0x45838308, 0xffffffff, "ESS1988", NULL
, NULL
},
142 { 0x48525300, 0xffffff00, "HMP9701", NULL
, NULL
},
143 { 0x49434501, 0xffffffff, "ICE1230", NULL
, NULL
},
144 { 0x49434511, 0xffffffff, "ICE1232", NULL
, NULL
}, // alias VIA VT1611A?
145 { 0x49434514, 0xffffffff, "ICE1232A", NULL
, NULL
},
146 { 0x49434551, 0xffffffff, "VT1616", patch_vt1616
, NULL
},
147 { 0x49434552, 0xffffffff, "VT1616i", patch_vt1616
, NULL
}, // VT1616 compatible (chipset integrated)
148 { 0x49544520, 0xffffffff, "IT2226E", NULL
, NULL
},
149 { 0x49544561, 0xffffffff, "IT2646E", patch_it2646
, NULL
},
150 { 0x4e534300, 0xffffffff, "LM4540,43,45,46,48", NULL
, NULL
}, // only guess --jk
151 { 0x4e534331, 0xffffffff, "LM4549", NULL
, NULL
},
152 { 0x4e534350, 0xffffffff, "LM4550", NULL
, NULL
},
153 { 0x50534304, 0xffffffff, "UCB1400", NULL
, NULL
},
154 { 0x53494c20, 0xffffffe0, "Si3036,8", mpatch_si3036
, mpatch_si3036
, AC97_MODEM_PATCH
},
155 { 0x54524102, 0xffffffff, "TR28022", NULL
, NULL
},
156 { 0x54524106, 0xffffffff, "TR28026", NULL
, NULL
},
157 { 0x54524108, 0xffffffff, "TR28028", patch_tritech_tr28028
, NULL
}, // added by xin jin [07/09/99]
158 { 0x54524123, 0xffffffff, "TR28602", NULL
, NULL
}, // only guess --jk [TR28023 = eMicro EM28023 (new CT1297)]
159 { 0x54584e20, 0xffffffff, "TLC320AD9xC", NULL
, NULL
},
160 { 0x56494161, 0xffffffff, "VIA1612A", NULL
, NULL
}, // modified ICE1232 with S/PDIF
161 { 0x56494170, 0xffffffff, "VIA1617A", patch_vt1617a
, NULL
}, // modified VT1616 with S/PDIF
162 { 0x57454301, 0xffffffff, "W83971D", NULL
, NULL
},
163 { 0x574d4c00, 0xffffffff, "WM9701A", NULL
, NULL
},
164 { 0x574d4C03, 0xffffffff, "WM9703,WM9707,WM9708,WM9717", patch_wolfson03
, NULL
},
165 { 0x574d4C04, 0xffffffff, "WM9704M,WM9704Q", patch_wolfson04
, NULL
},
166 { 0x574d4C05, 0xffffffff, "WM9705,WM9710", patch_wolfson05
, NULL
},
167 { 0x574d4C09, 0xffffffff, "WM9709", NULL
, NULL
},
168 { 0x574d4C12, 0xffffffff, "WM9711,WM9712", patch_wolfson11
, NULL
},
169 { 0x574d4c13, 0xffffffff, "WM9713,WM9714", patch_wolfson13
, NULL
, AC97_DEFAULT_POWER_OFF
},
170 { 0x594d4800, 0xffffffff, "YMF743", NULL
, NULL
},
171 { 0x594d4802, 0xffffffff, "YMF752", NULL
, NULL
},
172 { 0x594d4803, 0xffffffff, "YMF753", patch_yamaha_ymf753
, NULL
},
173 { 0x83847600, 0xffffffff, "STAC9700,83,84", patch_sigmatel_stac9700
, NULL
},
174 { 0x83847604, 0xffffffff, "STAC9701,3,4,5", NULL
, NULL
},
175 { 0x83847605, 0xffffffff, "STAC9704", NULL
, NULL
},
176 { 0x83847608, 0xffffffff, "STAC9708,11", patch_sigmatel_stac9708
, NULL
},
177 { 0x83847609, 0xffffffff, "STAC9721,23", patch_sigmatel_stac9721
, NULL
},
178 { 0x83847644, 0xffffffff, "STAC9744", patch_sigmatel_stac9744
, NULL
},
179 { 0x83847650, 0xffffffff, "STAC9750,51", NULL
, NULL
}, // patch?
180 { 0x83847652, 0xffffffff, "STAC9752,53", NULL
, NULL
}, // patch?
181 { 0x83847656, 0xffffffff, "STAC9756,57", patch_sigmatel_stac9756
, NULL
},
182 { 0x83847658, 0xffffffff, "STAC9758,59", patch_sigmatel_stac9758
, NULL
},
183 { 0x83847666, 0xffffffff, "STAC9766,67", NULL
, NULL
}, // patch?
184 { 0, 0, NULL
, NULL
, NULL
}
187 const char *snd_ac97_stereo_enhancements
[] =
189 /* 0 */ "No 3D Stereo Enhancement",
190 /* 1 */ "Analog Devices Phat Stereo",
191 /* 2 */ "Creative Stereo Enhancement",
192 /* 3 */ "National Semi 3D Stereo Enhancement",
193 /* 4 */ "YAMAHA Ymersion",
194 /* 5 */ "BBE 3D Stereo Enhancement",
195 /* 6 */ "Crystal Semi 3D Stereo Enhancement",
196 /* 7 */ "Qsound QXpander",
197 /* 8 */ "Spatializer 3D Stereo Enhancement",
198 /* 9 */ "SRS 3D Stereo Enhancement",
199 /* 10 */ "Platform Tech 3D Stereo Enhancement",
200 /* 11 */ "AKM 3D Audio",
201 /* 12 */ "Aureal Stereo Enhancement",
202 /* 13 */ "Aztech 3D Enhancement",
203 /* 14 */ "Binaura 3D Audio Enhancement",
204 /* 15 */ "ESS Technology Stereo Enhancement",
205 /* 16 */ "Harman International VMAx",
206 /* 17 */ "Nvidea/IC Ensemble/KS Waves 3D Stereo Enhancement",
207 /* 18 */ "Philips Incredible Sound",
208 /* 19 */ "Texas Instruments 3D Stereo Enhancement",
209 /* 20 */ "VLSI Technology 3D Stereo Enhancement",
210 /* 21 */ "TriTech 3D Stereo Enhancement",
211 /* 22 */ "Realtek 3D Stereo Enhancement",
212 /* 23 */ "Samsung 3D Stereo Enhancement",
213 /* 24 */ "Wolfson Microelectronics 3D Enhancement",
214 /* 25 */ "Delta Integration 3D Enhancement",
215 /* 26 */ "SigmaTel 3D Enhancement",
216 /* 27 */ "IC Ensemble/KS Waves",
217 /* 28 */ "Rockwell 3D Stereo Enhancement",
218 /* 29 */ "Reserved 29",
219 /* 30 */ "Reserved 30",
220 /* 31 */ "Reserved 31"
228 static int snd_ac97_valid_reg(struct snd_ac97
*ac97
, unsigned short reg
)
230 if (ac97
->limited_regs
&& ! test_bit(reg
, ac97
->reg_accessed
))
233 /* filter some registers for buggy codecs */
237 if (reg
<= 0x1c || reg
== 0x20 || reg
== 0x26 || reg
>= 0x7c)
240 case AC97_ID_AD1819
: /* AD1819 */
241 case AC97_ID_AD1881
: /* AD1881 */
242 case AC97_ID_AD1881A
: /* AD1881A */
243 if (reg
>= 0x3a && reg
<= 0x6e) /* 0x59 */
246 case AC97_ID_AD1885
: /* AD1885 */
247 case AC97_ID_AD1886
: /* AD1886 */
248 case AC97_ID_AD1886A
: /* AD1886A - !!verify!! --jk */
249 case AC97_ID_AD1887
: /* AD1887 - !!verify!! --jk */
252 if (reg
>= 0x3c && reg
<= 0x6e) /* 0x59 */
255 case AC97_ID_STAC9700
:
256 case AC97_ID_STAC9704
:
257 case AC97_ID_STAC9705
:
258 case AC97_ID_STAC9708
:
259 case AC97_ID_STAC9721
:
260 case AC97_ID_STAC9744
:
261 case AC97_ID_STAC9756
:
262 if (reg
<= 0x3a || reg
>= 0x5a)
270 * snd_ac97_write - write a value on the given register
271 * @ac97: the ac97 instance
272 * @reg: the register to change
273 * @value: the value to set
275 * Writes a value on the given register. This will invoke the write
276 * callback directly after the register check.
277 * This function doesn't change the register cache unlike
278 * #snd_ca97_write_cache(), so use this only when you don't want to
279 * reflect the change to the suspend/resume state.
281 void snd_ac97_write(struct snd_ac97
*ac97
, unsigned short reg
, unsigned short value
)
283 if (!snd_ac97_valid_reg(ac97
, reg
))
285 if ((ac97
->id
& 0xffffff00) == AC97_ID_ALC100
) {
286 /* Fix H/W bug of ALC100/100P */
287 if (reg
== AC97_MASTER
|| reg
== AC97_HEADPHONE
)
288 ac97
->bus
->ops
->write(ac97
, AC97_RESET
, 0); /* reset audio codec */
290 ac97
->bus
->ops
->write(ac97
, reg
, value
);
294 * snd_ac97_read - read a value from the given register
296 * @ac97: the ac97 instance
297 * @reg: the register to read
299 * Reads a value from the given register. This will invoke the read
300 * callback directly after the register check.
302 * Returns the read value.
304 unsigned short snd_ac97_read(struct snd_ac97
*ac97
, unsigned short reg
)
306 if (!snd_ac97_valid_reg(ac97
, reg
))
308 return ac97
->bus
->ops
->read(ac97
, reg
);
311 /* read a register - return the cached value if already read */
312 static inline unsigned short snd_ac97_read_cache(struct snd_ac97
*ac97
, unsigned short reg
)
314 if (! test_bit(reg
, ac97
->reg_accessed
)) {
315 ac97
->regs
[reg
] = ac97
->bus
->ops
->read(ac97
, reg
);
316 // set_bit(reg, ac97->reg_accessed);
318 return ac97
->regs
[reg
];
322 * snd_ac97_write_cache - write a value on the given register and update the cache
323 * @ac97: the ac97 instance
324 * @reg: the register to change
325 * @value: the value to set
327 * Writes a value on the given register and updates the register
328 * cache. The cached values are used for the cached-read and the
331 void snd_ac97_write_cache(struct snd_ac97
*ac97
, unsigned short reg
, unsigned short value
)
333 if (!snd_ac97_valid_reg(ac97
, reg
))
335 down(&ac97
->reg_mutex
);
336 ac97
->regs
[reg
] = value
;
337 ac97
->bus
->ops
->write(ac97
, reg
, value
);
338 set_bit(reg
, ac97
->reg_accessed
);
339 up(&ac97
->reg_mutex
);
343 * snd_ac97_update - update the value on the given register
344 * @ac97: the ac97 instance
345 * @reg: the register to change
346 * @value: the value to set
348 * Compares the value with the register cache and updates the value
349 * only when the value is changed.
351 * Returns 1 if the value is changed, 0 if no change, or a negative
354 int snd_ac97_update(struct snd_ac97
*ac97
, unsigned short reg
, unsigned short value
)
358 if (!snd_ac97_valid_reg(ac97
, reg
))
360 down(&ac97
->reg_mutex
);
361 change
= ac97
->regs
[reg
] != value
;
363 ac97
->regs
[reg
] = value
;
364 ac97
->bus
->ops
->write(ac97
, reg
, value
);
366 set_bit(reg
, ac97
->reg_accessed
);
367 up(&ac97
->reg_mutex
);
372 * snd_ac97_update_bits - update the bits on the given register
373 * @ac97: the ac97 instance
374 * @reg: the register to change
375 * @mask: the bit-mask to change
376 * @value: the value to set
378 * Updates the masked-bits on the given register only when the value
381 * Returns 1 if the bits are changed, 0 if no change, or a negative
384 int snd_ac97_update_bits(struct snd_ac97
*ac97
, unsigned short reg
, unsigned short mask
, unsigned short value
)
388 if (!snd_ac97_valid_reg(ac97
, reg
))
390 down(&ac97
->reg_mutex
);
391 change
= snd_ac97_update_bits_nolock(ac97
, reg
, mask
, value
);
392 up(&ac97
->reg_mutex
);
396 /* no lock version - see snd_ac97_updat_bits() */
397 int snd_ac97_update_bits_nolock(struct snd_ac97
*ac97
, unsigned short reg
,
398 unsigned short mask
, unsigned short value
)
401 unsigned short old
, new;
403 old
= snd_ac97_read_cache(ac97
, reg
);
404 new = (old
& ~mask
) | value
;
407 ac97
->regs
[reg
] = new;
408 ac97
->bus
->ops
->write(ac97
, reg
, new);
410 set_bit(reg
, ac97
->reg_accessed
);
414 static int snd_ac97_ad18xx_update_pcm_bits(struct snd_ac97
*ac97
, int codec
, unsigned short mask
, unsigned short value
)
417 unsigned short old
, new, cfg
;
419 down(&ac97
->page_mutex
);
420 old
= ac97
->spec
.ad18xx
.pcmreg
[codec
];
421 new = (old
& ~mask
) | value
;
424 down(&ac97
->reg_mutex
);
425 cfg
= snd_ac97_read_cache(ac97
, AC97_AD_SERIAL_CFG
);
426 ac97
->spec
.ad18xx
.pcmreg
[codec
] = new;
427 /* select single codec */
428 ac97
->bus
->ops
->write(ac97
, AC97_AD_SERIAL_CFG
,
430 ac97
->spec
.ad18xx
.unchained
[codec
] | ac97
->spec
.ad18xx
.chained
[codec
]);
431 /* update PCM bits */
432 ac97
->bus
->ops
->write(ac97
, AC97_PCM
, new);
433 /* select all codecs */
434 ac97
->bus
->ops
->write(ac97
, AC97_AD_SERIAL_CFG
,
436 up(&ac97
->reg_mutex
);
438 up(&ac97
->page_mutex
);
446 int snd_ac97_info_enum_double(struct snd_kcontrol
*kcontrol
, struct snd_ctl_elem_info
*uinfo
)
448 struct ac97_enum
*e
= (struct ac97_enum
*)kcontrol
->private_value
;
450 uinfo
->type
= SNDRV_CTL_ELEM_TYPE_ENUMERATED
;
451 uinfo
->count
= e
->shift_l
== e
->shift_r
? 1 : 2;
452 uinfo
->value
.enumerated
.items
= e
->mask
;
454 if (uinfo
->value
.enumerated
.item
> e
->mask
- 1)
455 uinfo
->value
.enumerated
.item
= e
->mask
- 1;
456 strcpy(uinfo
->value
.enumerated
.name
, e
->texts
[uinfo
->value
.enumerated
.item
]);
460 int snd_ac97_get_enum_double(struct snd_kcontrol
*kcontrol
, struct snd_ctl_elem_value
*ucontrol
)
462 struct snd_ac97
*ac97
= snd_kcontrol_chip(kcontrol
);
463 struct ac97_enum
*e
= (struct ac97_enum
*)kcontrol
->private_value
;
464 unsigned short val
, bitmask
;
466 for (bitmask
= 1; bitmask
< e
->mask
; bitmask
<<= 1)
468 val
= snd_ac97_read_cache(ac97
, e
->reg
);
469 ucontrol
->value
.enumerated
.item
[0] = (val
>> e
->shift_l
) & (bitmask
- 1);
470 if (e
->shift_l
!= e
->shift_r
)
471 ucontrol
->value
.enumerated
.item
[1] = (val
>> e
->shift_r
) & (bitmask
- 1);
476 int snd_ac97_put_enum_double(struct snd_kcontrol
*kcontrol
, struct snd_ctl_elem_value
*ucontrol
)
478 struct snd_ac97
*ac97
= snd_kcontrol_chip(kcontrol
);
479 struct ac97_enum
*e
= (struct ac97_enum
*)kcontrol
->private_value
;
481 unsigned short mask
, bitmask
;
483 for (bitmask
= 1; bitmask
< e
->mask
; bitmask
<<= 1)
485 if (ucontrol
->value
.enumerated
.item
[0] > e
->mask
- 1)
487 val
= ucontrol
->value
.enumerated
.item
[0] << e
->shift_l
;
488 mask
= (bitmask
- 1) << e
->shift_l
;
489 if (e
->shift_l
!= e
->shift_r
) {
490 if (ucontrol
->value
.enumerated
.item
[1] > e
->mask
- 1)
492 val
|= ucontrol
->value
.enumerated
.item
[1] << e
->shift_r
;
493 mask
|= (bitmask
- 1) << e
->shift_r
;
495 return snd_ac97_update_bits(ac97
, e
->reg
, mask
, val
);
498 /* save/restore ac97 v2.3 paging */
499 static int snd_ac97_page_save(struct snd_ac97
*ac97
, int reg
, struct snd_kcontrol
*kcontrol
)
502 if ((kcontrol
->private_value
& (1<<25)) &&
503 (ac97
->ext_id
& AC97_EI_REV_MASK
) >= AC97_EI_REV_23
&&
504 (reg
>= 0x60 && reg
< 0x70)) {
505 unsigned short page
= (kcontrol
->private_value
>> 26) & 0x0f;
506 down(&ac97
->page_mutex
); /* lock paging */
507 page_save
= snd_ac97_read(ac97
, AC97_INT_PAGING
) & AC97_PAGE_MASK
;
508 snd_ac97_update_bits(ac97
, AC97_INT_PAGING
, AC97_PAGE_MASK
, page
);
513 static void snd_ac97_page_restore(struct snd_ac97
*ac97
, int page_save
)
515 if (page_save
>= 0) {
516 snd_ac97_update_bits(ac97
, AC97_INT_PAGING
, AC97_PAGE_MASK
, page_save
);
517 up(&ac97
->page_mutex
); /* unlock paging */
521 /* volume and switch controls */
522 int snd_ac97_info_volsw(struct snd_kcontrol
*kcontrol
, struct snd_ctl_elem_info
*uinfo
)
524 int mask
= (kcontrol
->private_value
>> 16) & 0xff;
525 int shift
= (kcontrol
->private_value
>> 8) & 0x0f;
526 int rshift
= (kcontrol
->private_value
>> 12) & 0x0f;
528 uinfo
->type
= mask
== 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN
: SNDRV_CTL_ELEM_TYPE_INTEGER
;
529 uinfo
->count
= shift
== rshift
? 1 : 2;
530 uinfo
->value
.integer
.min
= 0;
531 uinfo
->value
.integer
.max
= mask
;
535 int snd_ac97_get_volsw(struct snd_kcontrol
*kcontrol
, struct snd_ctl_elem_value
*ucontrol
)
537 struct snd_ac97
*ac97
= snd_kcontrol_chip(kcontrol
);
538 int reg
= kcontrol
->private_value
& 0xff;
539 int shift
= (kcontrol
->private_value
>> 8) & 0x0f;
540 int rshift
= (kcontrol
->private_value
>> 12) & 0x0f;
541 int mask
= (kcontrol
->private_value
>> 16) & 0xff;
542 int invert
= (kcontrol
->private_value
>> 24) & 0x01;
545 page_save
= snd_ac97_page_save(ac97
, reg
, kcontrol
);
546 ucontrol
->value
.integer
.value
[0] = (snd_ac97_read_cache(ac97
, reg
) >> shift
) & mask
;
548 ucontrol
->value
.integer
.value
[1] = (snd_ac97_read_cache(ac97
, reg
) >> rshift
) & mask
;
550 ucontrol
->value
.integer
.value
[0] = mask
- ucontrol
->value
.integer
.value
[0];
552 ucontrol
->value
.integer
.value
[1] = mask
- ucontrol
->value
.integer
.value
[1];
554 snd_ac97_page_restore(ac97
, page_save
);
558 int snd_ac97_put_volsw(struct snd_kcontrol
*kcontrol
, struct snd_ctl_elem_value
*ucontrol
)
560 struct snd_ac97
*ac97
= snd_kcontrol_chip(kcontrol
);
561 int reg
= kcontrol
->private_value
& 0xff;
562 int shift
= (kcontrol
->private_value
>> 8) & 0x0f;
563 int rshift
= (kcontrol
->private_value
>> 12) & 0x0f;
564 int mask
= (kcontrol
->private_value
>> 16) & 0xff;
565 int invert
= (kcontrol
->private_value
>> 24) & 0x01;
567 unsigned short val
, val2
, val_mask
;
569 page_save
= snd_ac97_page_save(ac97
, reg
, kcontrol
);
570 val
= (ucontrol
->value
.integer
.value
[0] & mask
);
573 val_mask
= mask
<< shift
;
575 if (shift
!= rshift
) {
576 val2
= (ucontrol
->value
.integer
.value
[1] & mask
);
579 val_mask
|= mask
<< rshift
;
580 val
|= val2
<< rshift
;
582 err
= snd_ac97_update_bits(ac97
, reg
, val_mask
, val
);
583 snd_ac97_page_restore(ac97
, page_save
);
587 static const struct snd_kcontrol_new snd_ac97_controls_master_mono
[2] = {
588 AC97_SINGLE("Master Mono Playback Switch", AC97_MASTER_MONO
, 15, 1, 1),
589 AC97_SINGLE("Master Mono Playback Volume", AC97_MASTER_MONO
, 0, 31, 1)
592 static const struct snd_kcontrol_new snd_ac97_controls_tone
[2] = {
593 AC97_SINGLE("Tone Control - Bass", AC97_MASTER_TONE
, 8, 15, 1),
594 AC97_SINGLE("Tone Control - Treble", AC97_MASTER_TONE
, 0, 15, 1)
597 static const struct snd_kcontrol_new snd_ac97_controls_pc_beep
[2] = {
598 AC97_SINGLE("PC Speaker Playback Switch", AC97_PC_BEEP
, 15, 1, 1),
599 AC97_SINGLE("PC Speaker Playback Volume", AC97_PC_BEEP
, 1, 15, 1)
602 static const struct snd_kcontrol_new snd_ac97_controls_mic_boost
=
603 AC97_SINGLE("Mic Boost (+20dB)", AC97_MIC
, 6, 1, 0);
606 static const char* std_rec_sel
[] = {"Mic", "CD", "Video", "Aux", "Line", "Mix", "Mix Mono", "Phone"};
607 static const char* std_3d_path
[] = {"pre 3D", "post 3D"};
608 static const char* std_mix
[] = {"Mix", "Mic"};
609 static const char* std_mic
[] = {"Mic1", "Mic2"};
611 static const struct ac97_enum std_enum
[] = {
612 AC97_ENUM_DOUBLE(AC97_REC_SEL
, 8, 0, 8, std_rec_sel
),
613 AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE
, 15, 2, std_3d_path
),
614 AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE
, 9, 2, std_mix
),
615 AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE
, 8, 2, std_mic
),
618 static const struct snd_kcontrol_new snd_ac97_control_capture_src
=
619 AC97_ENUM("Capture Source", std_enum
[0]);
621 static const struct snd_kcontrol_new snd_ac97_control_capture_vol
=
622 AC97_DOUBLE("Capture Volume", AC97_REC_GAIN
, 8, 0, 15, 0);
624 static const struct snd_kcontrol_new snd_ac97_controls_mic_capture
[2] = {
625 AC97_SINGLE("Mic Capture Switch", AC97_REC_GAIN_MIC
, 15, 1, 1),
626 AC97_SINGLE("Mic Capture Volume", AC97_REC_GAIN_MIC
, 0, 15, 0)
630 AC97_GENERAL_PCM_OUT
= 0,
631 AC97_GENERAL_STEREO_ENHANCEMENT
,
633 AC97_GENERAL_LOUDNESS
,
636 AC97_GENERAL_LOOPBACK
639 static const struct snd_kcontrol_new snd_ac97_controls_general
[7] = {
640 AC97_ENUM("PCM Out Path & Mute", std_enum
[1]),
641 AC97_SINGLE("Simulated Stereo Enhancement", AC97_GENERAL_PURPOSE
, 14, 1, 0),
642 AC97_SINGLE("3D Control - Switch", AC97_GENERAL_PURPOSE
, 13, 1, 0),
643 AC97_SINGLE("Loudness (bass boost)", AC97_GENERAL_PURPOSE
, 12, 1, 0),
644 AC97_ENUM("Mono Output Select", std_enum
[2]),
645 AC97_ENUM("Mic Select", std_enum
[3]),
646 AC97_SINGLE("ADC/DAC Loopback", AC97_GENERAL_PURPOSE
, 7, 1, 0)
649 const struct snd_kcontrol_new snd_ac97_controls_3d
[2] = {
650 AC97_SINGLE("3D Control - Center", AC97_3D_CONTROL
, 8, 15, 0),
651 AC97_SINGLE("3D Control - Depth", AC97_3D_CONTROL
, 0, 15, 0)
654 static const struct snd_kcontrol_new snd_ac97_controls_center
[2] = {
655 AC97_SINGLE("Center Playback Switch", AC97_CENTER_LFE_MASTER
, 7, 1, 1),
656 AC97_SINGLE("Center Playback Volume", AC97_CENTER_LFE_MASTER
, 0, 31, 1)
659 static const struct snd_kcontrol_new snd_ac97_controls_lfe
[2] = {
660 AC97_SINGLE("LFE Playback Switch", AC97_CENTER_LFE_MASTER
, 15, 1, 1),
661 AC97_SINGLE("LFE Playback Volume", AC97_CENTER_LFE_MASTER
, 8, 31, 1)
664 static const struct snd_kcontrol_new snd_ac97_control_eapd
=
665 AC97_SINGLE("External Amplifier", AC97_POWERDOWN
, 15, 1, 1);
667 static const struct snd_kcontrol_new snd_ac97_controls_modem_switches
[2] = {
668 AC97_SINGLE("Off-hook Switch", AC97_GPIO_STATUS
, 0, 1, 0),
669 AC97_SINGLE("Caller ID Switch", AC97_GPIO_STATUS
, 2, 1, 0)
672 /* change the existing EAPD control as inverted */
673 static void set_inv_eapd(struct snd_ac97
*ac97
, struct snd_kcontrol
*kctl
)
675 kctl
->private_value
= AC97_SINGLE_VALUE(AC97_POWERDOWN
, 15, 1, 0);
676 snd_ac97_update_bits(ac97
, AC97_POWERDOWN
, (1<<15), (1<<15)); /* EAPD up */
677 ac97
->scaps
|= AC97_SCAP_INV_EAPD
;
680 static int snd_ac97_spdif_mask_info(struct snd_kcontrol
*kcontrol
, struct snd_ctl_elem_info
*uinfo
)
682 uinfo
->type
= SNDRV_CTL_ELEM_TYPE_IEC958
;
687 static int snd_ac97_spdif_cmask_get(struct snd_kcontrol
*kcontrol
, struct snd_ctl_elem_value
*ucontrol
)
689 ucontrol
->value
.iec958
.status
[0] = IEC958_AES0_PROFESSIONAL
|
690 IEC958_AES0_NONAUDIO
|
691 IEC958_AES0_CON_EMPHASIS_5015
|
692 IEC958_AES0_CON_NOT_COPYRIGHT
;
693 ucontrol
->value
.iec958
.status
[1] = IEC958_AES1_CON_CATEGORY
|
694 IEC958_AES1_CON_ORIGINAL
;
695 ucontrol
->value
.iec958
.status
[3] = IEC958_AES3_CON_FS
;
699 static int snd_ac97_spdif_pmask_get(struct snd_kcontrol
*kcontrol
, struct snd_ctl_elem_value
*ucontrol
)
701 /* FIXME: AC'97 spec doesn't say which bits are used for what */
702 ucontrol
->value
.iec958
.status
[0] = IEC958_AES0_PROFESSIONAL
|
703 IEC958_AES0_NONAUDIO
|
705 IEC958_AES0_PRO_EMPHASIS_5015
;
709 static int snd_ac97_spdif_default_get(struct snd_kcontrol
*kcontrol
, struct snd_ctl_elem_value
*ucontrol
)
711 struct snd_ac97
*ac97
= snd_kcontrol_chip(kcontrol
);
713 down(&ac97
->reg_mutex
);
714 ucontrol
->value
.iec958
.status
[0] = ac97
->spdif_status
& 0xff;
715 ucontrol
->value
.iec958
.status
[1] = (ac97
->spdif_status
>> 8) & 0xff;
716 ucontrol
->value
.iec958
.status
[2] = (ac97
->spdif_status
>> 16) & 0xff;
717 ucontrol
->value
.iec958
.status
[3] = (ac97
->spdif_status
>> 24) & 0xff;
718 up(&ac97
->reg_mutex
);
722 static int snd_ac97_spdif_default_put(struct snd_kcontrol
*kcontrol
, struct snd_ctl_elem_value
*ucontrol
)
724 struct snd_ac97
*ac97
= snd_kcontrol_chip(kcontrol
);
725 unsigned int new = 0;
726 unsigned short val
= 0;
729 new = val
= ucontrol
->value
.iec958
.status
[0] & (IEC958_AES0_PROFESSIONAL
|IEC958_AES0_NONAUDIO
);
730 if (ucontrol
->value
.iec958
.status
[0] & IEC958_AES0_PROFESSIONAL
) {
731 new |= ucontrol
->value
.iec958
.status
[0] & (IEC958_AES0_PRO_FS
|IEC958_AES0_PRO_EMPHASIS_5015
);
732 switch (new & IEC958_AES0_PRO_FS
) {
733 case IEC958_AES0_PRO_FS_44100
: val
|= 0<<12; break;
734 case IEC958_AES0_PRO_FS_48000
: val
|= 2<<12; break;
735 case IEC958_AES0_PRO_FS_32000
: val
|= 3<<12; break;
736 default: val
|= 1<<12; break;
738 if ((new & IEC958_AES0_PRO_EMPHASIS
) == IEC958_AES0_PRO_EMPHASIS_5015
)
741 new |= ucontrol
->value
.iec958
.status
[0] & (IEC958_AES0_CON_EMPHASIS_5015
|IEC958_AES0_CON_NOT_COPYRIGHT
);
742 new |= ((ucontrol
->value
.iec958
.status
[1] & (IEC958_AES1_CON_CATEGORY
|IEC958_AES1_CON_ORIGINAL
)) << 8);
743 new |= ((ucontrol
->value
.iec958
.status
[3] & IEC958_AES3_CON_FS
) << 24);
744 if ((new & IEC958_AES0_CON_EMPHASIS
) == IEC958_AES0_CON_EMPHASIS_5015
)
746 if (!(new & IEC958_AES0_CON_NOT_COPYRIGHT
))
748 val
|= ((new >> 8) & 0xff) << 4; // category + original
749 switch ((new >> 24) & 0xff) {
750 case IEC958_AES3_CON_FS_44100
: val
|= 0<<12; break;
751 case IEC958_AES3_CON_FS_48000
: val
|= 2<<12; break;
752 case IEC958_AES3_CON_FS_32000
: val
|= 3<<12; break;
753 default: val
|= 1<<12; break;
757 down(&ac97
->reg_mutex
);
758 change
= ac97
->spdif_status
!= new;
759 ac97
->spdif_status
= new;
761 if (ac97
->flags
& AC97_CS_SPDIF
) {
762 int x
= (val
>> 12) & 0x03;
764 case 0: x
= 1; break; // 44.1
765 case 2: x
= 0; break; // 48.0
766 default: x
= 0; break; // illegal.
768 change
|= snd_ac97_update_bits_nolock(ac97
, AC97_CSR_SPDIF
, 0x3fff, ((val
& 0xcfff) | (x
<< 12)));
769 } else if (ac97
->flags
& AC97_CX_SPDIF
) {
771 v
= new & (IEC958_AES0_CON_EMPHASIS_5015
|IEC958_AES0_CON_NOT_COPYRIGHT
) ? 0 : AC97_CXR_COPYRGT
;
772 v
|= new & IEC958_AES0_NONAUDIO
? AC97_CXR_SPDIF_AC3
: AC97_CXR_SPDIF_PCM
;
773 change
|= snd_ac97_update_bits_nolock(ac97
, AC97_CXR_AUDIO_MISC
,
774 AC97_CXR_SPDIF_MASK
| AC97_CXR_COPYRGT
,
777 unsigned short extst
= snd_ac97_read_cache(ac97
, AC97_EXTENDED_STATUS
);
778 snd_ac97_update_bits_nolock(ac97
, AC97_EXTENDED_STATUS
, AC97_EA_SPDIF
, 0); /* turn off */
780 change
|= snd_ac97_update_bits_nolock(ac97
, AC97_SPDIF
, 0x3fff, val
);
781 if (extst
& AC97_EA_SPDIF
) {
782 snd_ac97_update_bits_nolock(ac97
, AC97_EXTENDED_STATUS
, AC97_EA_SPDIF
, AC97_EA_SPDIF
); /* turn on again */
785 up(&ac97
->reg_mutex
);
790 static int snd_ac97_put_spsa(struct snd_kcontrol
*kcontrol
, struct snd_ctl_elem_value
*ucontrol
)
792 struct snd_ac97
*ac97
= snd_kcontrol_chip(kcontrol
);
793 int reg
= kcontrol
->private_value
& 0xff;
794 int shift
= (kcontrol
->private_value
>> 8) & 0xff;
795 int mask
= (kcontrol
->private_value
>> 16) & 0xff;
796 // int invert = (kcontrol->private_value >> 24) & 0xff;
797 unsigned short value
, old
, new;
800 value
= (ucontrol
->value
.integer
.value
[0] & mask
);
802 down(&ac97
->reg_mutex
);
805 old
= snd_ac97_read_cache(ac97
, reg
);
806 new = (old
& ~mask
) | value
;
810 unsigned short extst
= snd_ac97_read_cache(ac97
, AC97_EXTENDED_STATUS
);
811 snd_ac97_update_bits_nolock(ac97
, AC97_EXTENDED_STATUS
, AC97_EA_SPDIF
, 0); /* turn off */
812 change
= snd_ac97_update_bits_nolock(ac97
, reg
, mask
, value
);
813 if (extst
& AC97_EA_SPDIF
)
814 snd_ac97_update_bits_nolock(ac97
, AC97_EXTENDED_STATUS
, AC97_EA_SPDIF
, AC97_EA_SPDIF
); /* turn on again */
816 up(&ac97
->reg_mutex
);
820 const struct snd_kcontrol_new snd_ac97_controls_spdif
[5] = {
822 .access
= SNDRV_CTL_ELEM_ACCESS_READ
,
823 .iface
= SNDRV_CTL_ELEM_IFACE_MIXER
,
824 .name
= SNDRV_CTL_NAME_IEC958("",PLAYBACK
,CON_MASK
),
825 .info
= snd_ac97_spdif_mask_info
,
826 .get
= snd_ac97_spdif_cmask_get
,
829 .access
= SNDRV_CTL_ELEM_ACCESS_READ
,
830 .iface
= SNDRV_CTL_ELEM_IFACE_MIXER
,
831 .name
= SNDRV_CTL_NAME_IEC958("",PLAYBACK
,PRO_MASK
),
832 .info
= snd_ac97_spdif_mask_info
,
833 .get
= snd_ac97_spdif_pmask_get
,
836 .iface
= SNDRV_CTL_ELEM_IFACE_MIXER
,
837 .name
= SNDRV_CTL_NAME_IEC958("",PLAYBACK
,DEFAULT
),
838 .info
= snd_ac97_spdif_mask_info
,
839 .get
= snd_ac97_spdif_default_get
,
840 .put
= snd_ac97_spdif_default_put
,
843 AC97_SINGLE(SNDRV_CTL_NAME_IEC958("",PLAYBACK
,SWITCH
),AC97_EXTENDED_STATUS
, 2, 1, 0),
845 .iface
= SNDRV_CTL_ELEM_IFACE_MIXER
,
846 .name
= SNDRV_CTL_NAME_IEC958("",PLAYBACK
,NONE
) "AC97-SPSA",
847 .info
= snd_ac97_info_volsw
,
848 .get
= snd_ac97_get_volsw
,
849 .put
= snd_ac97_put_spsa
,
850 .private_value
= AC97_SINGLE_VALUE(AC97_EXTENDED_STATUS
, 4, 3, 0)
854 #define AD18XX_PCM_BITS(xname, codec, lshift, rshift, mask) \
855 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ac97_ad18xx_pcm_info_bits, \
856 .get = snd_ac97_ad18xx_pcm_get_bits, .put = snd_ac97_ad18xx_pcm_put_bits, \
857 .private_value = (codec) | ((lshift) << 8) | ((rshift) << 12) | ((mask) << 16) }
859 static int snd_ac97_ad18xx_pcm_info_bits(struct snd_kcontrol
*kcontrol
, struct snd_ctl_elem_info
*uinfo
)
861 struct snd_ac97
*ac97
= snd_kcontrol_chip(kcontrol
);
862 int mask
= (kcontrol
->private_value
>> 16) & 0x0f;
863 int lshift
= (kcontrol
->private_value
>> 8) & 0x0f;
864 int rshift
= (kcontrol
->private_value
>> 12) & 0x0f;
866 uinfo
->type
= mask
== 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN
: SNDRV_CTL_ELEM_TYPE_INTEGER
;
867 if (lshift
!= rshift
&& (ac97
->flags
& AC97_STEREO_MUTES
))
871 uinfo
->value
.integer
.min
= 0;
872 uinfo
->value
.integer
.max
= mask
;
876 static int snd_ac97_ad18xx_pcm_get_bits(struct snd_kcontrol
*kcontrol
, struct snd_ctl_elem_value
*ucontrol
)
878 struct snd_ac97
*ac97
= snd_kcontrol_chip(kcontrol
);
879 int codec
= kcontrol
->private_value
& 3;
880 int lshift
= (kcontrol
->private_value
>> 8) & 0x0f;
881 int rshift
= (kcontrol
->private_value
>> 12) & 0x0f;
882 int mask
= (kcontrol
->private_value
>> 16) & 0xff;
884 ucontrol
->value
.integer
.value
[0] = mask
- ((ac97
->spec
.ad18xx
.pcmreg
[codec
] >> lshift
) & mask
);
885 if (lshift
!= rshift
&& (ac97
->flags
& AC97_STEREO_MUTES
))
886 ucontrol
->value
.integer
.value
[1] = mask
- ((ac97
->spec
.ad18xx
.pcmreg
[codec
] >> rshift
) & mask
);
890 static int snd_ac97_ad18xx_pcm_put_bits(struct snd_kcontrol
*kcontrol
, struct snd_ctl_elem_value
*ucontrol
)
892 struct snd_ac97
*ac97
= snd_kcontrol_chip(kcontrol
);
893 int codec
= kcontrol
->private_value
& 3;
894 int lshift
= (kcontrol
->private_value
>> 8) & 0x0f;
895 int rshift
= (kcontrol
->private_value
>> 12) & 0x0f;
896 int mask
= (kcontrol
->private_value
>> 16) & 0xff;
897 unsigned short val
, valmask
;
899 val
= (mask
- (ucontrol
->value
.integer
.value
[0] & mask
)) << lshift
;
900 valmask
= mask
<< lshift
;
901 if (lshift
!= rshift
&& (ac97
->flags
& AC97_STEREO_MUTES
)) {
902 val
|= (mask
- (ucontrol
->value
.integer
.value
[1] & mask
)) << rshift
;
903 valmask
|= mask
<< rshift
;
905 return snd_ac97_ad18xx_update_pcm_bits(ac97
, codec
, valmask
, val
);
908 #define AD18XX_PCM_VOLUME(xname, codec) \
909 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ac97_ad18xx_pcm_info_volume, \
910 .get = snd_ac97_ad18xx_pcm_get_volume, .put = snd_ac97_ad18xx_pcm_put_volume, \
911 .private_value = codec }
913 static int snd_ac97_ad18xx_pcm_info_volume(struct snd_kcontrol
*kcontrol
, struct snd_ctl_elem_info
*uinfo
)
915 uinfo
->type
= SNDRV_CTL_ELEM_TYPE_INTEGER
;
917 uinfo
->value
.integer
.min
= 0;
918 uinfo
->value
.integer
.max
= 31;
922 static int snd_ac97_ad18xx_pcm_get_volume(struct snd_kcontrol
*kcontrol
, struct snd_ctl_elem_value
*ucontrol
)
924 struct snd_ac97
*ac97
= snd_kcontrol_chip(kcontrol
);
925 int codec
= kcontrol
->private_value
& 3;
927 down(&ac97
->page_mutex
);
928 ucontrol
->value
.integer
.value
[0] = 31 - ((ac97
->spec
.ad18xx
.pcmreg
[codec
] >> 0) & 31);
929 ucontrol
->value
.integer
.value
[1] = 31 - ((ac97
->spec
.ad18xx
.pcmreg
[codec
] >> 8) & 31);
930 up(&ac97
->page_mutex
);
934 static int snd_ac97_ad18xx_pcm_put_volume(struct snd_kcontrol
*kcontrol
, struct snd_ctl_elem_value
*ucontrol
)
936 struct snd_ac97
*ac97
= snd_kcontrol_chip(kcontrol
);
937 int codec
= kcontrol
->private_value
& 3;
938 unsigned short val1
, val2
;
940 val1
= 31 - (ucontrol
->value
.integer
.value
[0] & 31);
941 val2
= 31 - (ucontrol
->value
.integer
.value
[1] & 31);
942 return snd_ac97_ad18xx_update_pcm_bits(ac97
, codec
, 0x1f1f, (val1
<< 8) | val2
);
945 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_pcm
[2] = {
946 AD18XX_PCM_BITS("PCM Playback Switch", 0, 15, 7, 1),
947 AD18XX_PCM_VOLUME("PCM Playback Volume", 0)
950 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_surround
[2] = {
951 AD18XX_PCM_BITS("Surround Playback Switch", 1, 15, 7, 1),
952 AD18XX_PCM_VOLUME("Surround Playback Volume", 1)
955 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_center
[2] = {
956 AD18XX_PCM_BITS("Center Playback Switch", 2, 15, 15, 1),
957 AD18XX_PCM_BITS("Center Playback Volume", 2, 8, 8, 31)
960 static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_lfe
[2] = {
961 AD18XX_PCM_BITS("LFE Playback Switch", 2, 7, 7, 1),
962 AD18XX_PCM_BITS("LFE Playback Volume", 2, 0, 0, 31)
969 static void snd_ac97_powerdown(struct snd_ac97
*ac97
);
971 static int snd_ac97_bus_free(struct snd_ac97_bus
*bus
)
974 snd_ac97_bus_proc_done(bus
);
976 if (bus
->private_free
)
977 bus
->private_free(bus
);
983 static int snd_ac97_bus_dev_free(struct snd_device
*device
)
985 struct snd_ac97_bus
*bus
= device
->device_data
;
986 return snd_ac97_bus_free(bus
);
989 static int snd_ac97_free(struct snd_ac97
*ac97
)
992 snd_ac97_proc_done(ac97
);
994 ac97
->bus
->codec
[ac97
->num
] = NULL
;
995 if (ac97
->private_free
)
996 ac97
->private_free(ac97
);
1002 static int snd_ac97_dev_free(struct snd_device
*device
)
1004 struct snd_ac97
*ac97
= device
->device_data
;
1005 snd_ac97_powerdown(ac97
); /* for avoiding click noises during shut down */
1006 return snd_ac97_free(ac97
);
1009 static int snd_ac97_try_volume_mix(struct snd_ac97
* ac97
, int reg
)
1011 unsigned short val
, mask
= 0x8000;
1013 if (! snd_ac97_valid_reg(ac97
, reg
))
1017 case AC97_MASTER_TONE
:
1018 return ac97
->caps
& 0x04 ? 1 : 0;
1019 case AC97_HEADPHONE
:
1020 return ac97
->caps
& 0x10 ? 1 : 0;
1021 case AC97_REC_GAIN_MIC
:
1022 return ac97
->caps
& 0x01 ? 1 : 0;
1023 case AC97_3D_CONTROL
:
1024 if (ac97
->caps
& 0x7c00) {
1025 val
= snd_ac97_read(ac97
, reg
);
1026 /* if nonzero - fixed and we can't set it */
1030 case AC97_CENTER_LFE_MASTER
: /* center */
1031 if ((ac97
->ext_id
& AC97_EI_CDAC
) == 0)
1034 case AC97_CENTER_LFE_MASTER
+1: /* lfe */
1035 if ((ac97
->ext_id
& AC97_EI_LDAC
) == 0)
1037 reg
= AC97_CENTER_LFE_MASTER
;
1040 case AC97_SURROUND_MASTER
:
1041 if ((ac97
->ext_id
& AC97_EI_SDAC
) == 0)
1046 if (ac97
->limited_regs
&& test_bit(reg
, ac97
->reg_accessed
))
1047 return 1; /* allow without check */
1049 val
= snd_ac97_read(ac97
, reg
);
1050 if (!(val
& mask
)) {
1051 /* nothing seems to be here - mute flag is not set */
1052 /* try another test */
1053 snd_ac97_write_cache(ac97
, reg
, val
| mask
);
1054 val
= snd_ac97_read(ac97
, reg
);
1055 val
= snd_ac97_read(ac97
, reg
);
1057 return 0; /* nothing here */
1059 return 1; /* success, useable */
1062 static void check_volume_resolution(struct snd_ac97
*ac97
, int reg
, unsigned char *lo_max
, unsigned char *hi_max
)
1064 unsigned short cbit
[3] = { 0x20, 0x10, 0x01 };
1065 unsigned char max
[3] = { 63, 31, 15 };
1068 *lo_max
= *hi_max
= 0;
1069 for (i
= 0 ; i
< ARRAY_SIZE(cbit
); i
++) {
1071 snd_ac97_write(ac97
, reg
, 0x8080 | cbit
[i
] | (cbit
[i
] << 8));
1072 /* Do the read twice due to buffers on some ac97 codecs.
1073 * e.g. The STAC9704 returns exactly what you wrote the the register
1074 * if you read it immediately. This causes the detect routine to fail.
1076 val
= snd_ac97_read(ac97
, reg
);
1077 val
= snd_ac97_read(ac97
, reg
);
1078 if (! *lo_max
&& (val
& 0x7f) == cbit
[i
])
1080 if (! *hi_max
&& ((val
>> 8) & 0x7f) == cbit
[i
])
1082 if (*lo_max
&& *hi_max
)
1087 int snd_ac97_try_bit(struct snd_ac97
* ac97
, int reg
, int bit
)
1089 unsigned short mask
, val
, orig
, res
;
1092 orig
= snd_ac97_read(ac97
, reg
);
1094 snd_ac97_write(ac97
, reg
, val
);
1095 res
= snd_ac97_read(ac97
, reg
);
1096 snd_ac97_write_cache(ac97
, reg
, orig
);
1100 /* check the volume resolution of center/lfe */
1101 static void snd_ac97_change_volume_params2(struct snd_ac97
* ac97
, int reg
, int shift
, unsigned char *max
)
1103 unsigned short val
, val1
;
1106 val
= 0x8080 | (0x20 << shift
);
1107 snd_ac97_write(ac97
, reg
, val
);
1108 val1
= snd_ac97_read(ac97
, reg
);
1112 /* reset volume to zero */
1113 snd_ac97_write_cache(ac97
, reg
, 0x8080);
1116 static inline int printable(unsigned int x
)
1119 if (x
< ' ' || x
>= 0x71) {
1121 return x
- 0x71 + 'A';
1127 struct snd_kcontrol
*snd_ac97_cnew(const struct snd_kcontrol_new
*_template
, struct snd_ac97
* ac97
)
1129 struct snd_kcontrol_new
template;
1130 memcpy(&template, _template
, sizeof(template));
1131 template.index
= ac97
->num
;
1132 return snd_ctl_new1(&template, ac97
);
1136 * create mute switch(es) for normal stereo controls
1138 static int snd_ac97_cmute_new_stereo(struct snd_card
*card
, char *name
, int reg
, int check_stereo
, struct snd_ac97
*ac97
)
1140 struct snd_kcontrol
*kctl
;
1142 unsigned short val
, val1
, mute_mask
;
1144 if (! snd_ac97_valid_reg(ac97
, reg
))
1148 val
= snd_ac97_read(ac97
, reg
);
1149 if (check_stereo
|| (ac97
->flags
& AC97_STEREO_MUTES
)) {
1150 /* check whether both mute bits work */
1151 val1
= val
| 0x8080;
1152 snd_ac97_write(ac97
, reg
, val1
);
1153 if (val1
== snd_ac97_read(ac97
, reg
))
1156 if (mute_mask
== 0x8080) {
1157 struct snd_kcontrol_new tmp
= AC97_DOUBLE(name
, reg
, 15, 7, 1, 1);
1158 tmp
.index
= ac97
->num
;
1159 kctl
= snd_ctl_new1(&tmp
, ac97
);
1161 struct snd_kcontrol_new tmp
= AC97_SINGLE(name
, reg
, 15, 1, 1);
1162 tmp
.index
= ac97
->num
;
1163 kctl
= snd_ctl_new1(&tmp
, ac97
);
1165 err
= snd_ctl_add(card
, kctl
);
1168 /* mute as default */
1169 snd_ac97_write_cache(ac97
, reg
, val
| mute_mask
);
1174 * create a volume for normal stereo/mono controls
1176 static int snd_ac97_cvol_new(struct snd_card
*card
, char *name
, int reg
, unsigned int lo_max
,
1177 unsigned int hi_max
, struct snd_ac97
*ac97
)
1180 struct snd_kcontrol
*kctl
;
1182 if (! snd_ac97_valid_reg(ac97
, reg
))
1186 struct snd_kcontrol_new tmp
= AC97_DOUBLE(name
, reg
, 8, 0, lo_max
, 1);
1187 tmp
.index
= ac97
->num
;
1188 kctl
= snd_ctl_new1(&tmp
, ac97
);
1191 struct snd_kcontrol_new tmp
= AC97_SINGLE(name
, reg
, 0, lo_max
, 1);
1192 tmp
.index
= ac97
->num
;
1193 kctl
= snd_ctl_new1(&tmp
, ac97
);
1195 err
= snd_ctl_add(card
, kctl
);
1198 snd_ac97_write_cache(ac97
, reg
,
1199 (snd_ac97_read(ac97
, reg
) & 0x8080) |
1200 lo_max
| (hi_max
<< 8));
1205 * create a mute-switch and a volume for normal stereo/mono controls
1207 static int snd_ac97_cmix_new_stereo(struct snd_card
*card
, const char *pfx
, int reg
, int check_stereo
, struct snd_ac97
*ac97
)
1211 unsigned char lo_max
, hi_max
;
1213 if (! snd_ac97_valid_reg(ac97
, reg
))
1216 if (snd_ac97_try_bit(ac97
, reg
, 15)) {
1217 sprintf(name
, "%s Switch", pfx
);
1218 if ((err
= snd_ac97_cmute_new_stereo(card
, name
, reg
, check_stereo
, ac97
)) < 0)
1221 check_volume_resolution(ac97
, reg
, &lo_max
, &hi_max
);
1223 sprintf(name
, "%s Volume", pfx
);
1224 if ((err
= snd_ac97_cvol_new(card
, name
, reg
, lo_max
, hi_max
, ac97
)) < 0)
1230 #define snd_ac97_cmix_new(card, pfx, reg, ac97) snd_ac97_cmix_new_stereo(card, pfx, reg, 0, ac97)
1231 #define snd_ac97_cmute_new(card, name, reg, ac97) snd_ac97_cmute_new_stereo(card, name, reg, 0, ac97)
1233 static unsigned int snd_ac97_determine_spdif_rates(struct snd_ac97
*ac97
);
1235 static int snd_ac97_mixer_build(struct snd_ac97
* ac97
)
1237 struct snd_card
*card
= ac97
->bus
->card
;
1238 struct snd_kcontrol
*kctl
;
1243 /* build master controls */
1244 /* AD claims to remove this control from AD1887, although spec v2.2 does not allow this */
1245 if (snd_ac97_try_volume_mix(ac97
, AC97_MASTER
)) {
1246 if (ac97
->flags
& AC97_HAS_NO_MASTER_VOL
)
1247 err
= snd_ac97_cmute_new(card
, "Master Playback Switch", AC97_MASTER
, ac97
);
1249 err
= snd_ac97_cmix_new(card
, "Master Playback", AC97_MASTER
, ac97
);
1254 ac97
->regs
[AC97_CENTER_LFE_MASTER
] = 0x8080;
1256 /* build center controls */
1257 if (snd_ac97_try_volume_mix(ac97
, AC97_CENTER_LFE_MASTER
)) {
1258 if ((err
= snd_ctl_add(card
, snd_ac97_cnew(&snd_ac97_controls_center
[0], ac97
))) < 0)
1260 if ((err
= snd_ctl_add(card
, kctl
= snd_ac97_cnew(&snd_ac97_controls_center
[1], ac97
))) < 0)
1262 snd_ac97_change_volume_params2(ac97
, AC97_CENTER_LFE_MASTER
, 0, &max
);
1263 kctl
->private_value
&= ~(0xff << 16);
1264 kctl
->private_value
|= (int)max
<< 16;
1265 snd_ac97_write_cache(ac97
, AC97_CENTER_LFE_MASTER
, ac97
->regs
[AC97_CENTER_LFE_MASTER
] | max
);
1268 /* build LFE controls */
1269 if (snd_ac97_try_volume_mix(ac97
, AC97_CENTER_LFE_MASTER
+1)) {
1270 if ((err
= snd_ctl_add(card
, snd_ac97_cnew(&snd_ac97_controls_lfe
[0], ac97
))) < 0)
1272 if ((err
= snd_ctl_add(card
, kctl
= snd_ac97_cnew(&snd_ac97_controls_lfe
[1], ac97
))) < 0)
1274 snd_ac97_change_volume_params2(ac97
, AC97_CENTER_LFE_MASTER
, 8, &max
);
1275 kctl
->private_value
&= ~(0xff << 16);
1276 kctl
->private_value
|= (int)max
<< 16;
1277 snd_ac97_write_cache(ac97
, AC97_CENTER_LFE_MASTER
, ac97
->regs
[AC97_CENTER_LFE_MASTER
] | max
<< 8);
1280 /* build surround controls */
1281 if (snd_ac97_try_volume_mix(ac97
, AC97_SURROUND_MASTER
)) {
1282 /* Surround Master (0x38) is with stereo mutes */
1283 if ((err
= snd_ac97_cmix_new_stereo(card
, "Surround Playback", AC97_SURROUND_MASTER
, 1, ac97
)) < 0)
1287 /* build headphone controls */
1288 if (snd_ac97_try_volume_mix(ac97
, AC97_HEADPHONE
)) {
1289 if ((err
= snd_ac97_cmix_new(card
, "Headphone Playback", AC97_HEADPHONE
, ac97
)) < 0)
1293 /* build master mono controls */
1294 if (snd_ac97_try_volume_mix(ac97
, AC97_MASTER_MONO
)) {
1295 if ((err
= snd_ac97_cmix_new(card
, "Master Mono Playback", AC97_MASTER_MONO
, ac97
)) < 0)
1299 /* build master tone controls */
1300 if (!(ac97
->flags
& AC97_HAS_NO_TONE
)) {
1301 if (snd_ac97_try_volume_mix(ac97
, AC97_MASTER_TONE
)) {
1302 for (idx
= 0; idx
< 2; idx
++) {
1303 if ((err
= snd_ctl_add(card
, kctl
= snd_ac97_cnew(&snd_ac97_controls_tone
[idx
], ac97
))) < 0)
1305 if (ac97
->id
== AC97_ID_YMF753
) {
1306 kctl
->private_value
&= ~(0xff << 16);
1307 kctl
->private_value
|= 7 << 16;
1310 snd_ac97_write_cache(ac97
, AC97_MASTER_TONE
, 0x0f0f);
1314 /* build PC Speaker controls */
1315 if (!(ac97
->flags
& AC97_HAS_NO_PC_BEEP
) &&
1316 ((ac97
->flags
& AC97_HAS_PC_BEEP
) ||
1317 snd_ac97_try_volume_mix(ac97
, AC97_PC_BEEP
))) {
1318 for (idx
= 0; idx
< 2; idx
++)
1319 if ((err
= snd_ctl_add(card
, snd_ac97_cnew(&snd_ac97_controls_pc_beep
[idx
], ac97
))) < 0)
1321 snd_ac97_write_cache(ac97
, AC97_PC_BEEP
,
1322 snd_ac97_read(ac97
, AC97_PC_BEEP
) | 0x801e);
1325 /* build Phone controls */
1326 if (!(ac97
->flags
& AC97_HAS_NO_PHONE
)) {
1327 if (snd_ac97_try_volume_mix(ac97
, AC97_PHONE
)) {
1328 if ((err
= snd_ac97_cmix_new(card
, "Phone Playback", AC97_PHONE
, ac97
)) < 0)
1333 /* build MIC controls */
1334 if (!(ac97
->flags
& AC97_HAS_NO_MIC
)) {
1335 if (snd_ac97_try_volume_mix(ac97
, AC97_MIC
)) {
1336 if ((err
= snd_ac97_cmix_new(card
, "Mic Playback", AC97_MIC
, ac97
)) < 0)
1338 if ((err
= snd_ctl_add(card
, snd_ac97_cnew(&snd_ac97_controls_mic_boost
, ac97
))) < 0)
1343 /* build Line controls */
1344 if (snd_ac97_try_volume_mix(ac97
, AC97_LINE
)) {
1345 if ((err
= snd_ac97_cmix_new(card
, "Line Playback", AC97_LINE
, ac97
)) < 0)
1349 /* build CD controls */
1350 if (!(ac97
->flags
& AC97_HAS_NO_CD
)) {
1351 if (snd_ac97_try_volume_mix(ac97
, AC97_CD
)) {
1352 if ((err
= snd_ac97_cmix_new(card
, "CD Playback", AC97_CD
, ac97
)) < 0)
1357 /* build Video controls */
1358 if (!(ac97
->flags
& AC97_HAS_NO_VIDEO
)) {
1359 if (snd_ac97_try_volume_mix(ac97
, AC97_VIDEO
)) {
1360 if ((err
= snd_ac97_cmix_new(card
, "Video Playback", AC97_VIDEO
, ac97
)) < 0)
1365 /* build Aux controls */
1366 if (snd_ac97_try_volume_mix(ac97
, AC97_AUX
)) {
1367 if ((err
= snd_ac97_cmix_new(card
, "Aux Playback", AC97_AUX
, ac97
)) < 0)
1371 /* build PCM controls */
1372 if (ac97
->flags
& AC97_AD_MULTI
) {
1373 unsigned short init_val
;
1374 if (ac97
->flags
& AC97_STEREO_MUTES
)
1378 for (idx
= 0; idx
< 2; idx
++)
1379 if ((err
= snd_ctl_add(card
, snd_ac97_cnew(&snd_ac97_controls_ad18xx_pcm
[idx
], ac97
))) < 0)
1381 ac97
->spec
.ad18xx
.pcmreg
[0] = init_val
;
1382 if (ac97
->scaps
& AC97_SCAP_SURROUND_DAC
) {
1383 for (idx
= 0; idx
< 2; idx
++)
1384 if ((err
= snd_ctl_add(card
, snd_ac97_cnew(&snd_ac97_controls_ad18xx_surround
[idx
], ac97
))) < 0)
1386 ac97
->spec
.ad18xx
.pcmreg
[1] = init_val
;
1388 if (ac97
->scaps
& AC97_SCAP_CENTER_LFE_DAC
) {
1389 for (idx
= 0; idx
< 2; idx
++)
1390 if ((err
= snd_ctl_add(card
, snd_ac97_cnew(&snd_ac97_controls_ad18xx_center
[idx
], ac97
))) < 0)
1392 for (idx
= 0; idx
< 2; idx
++)
1393 if ((err
= snd_ctl_add(card
, snd_ac97_cnew(&snd_ac97_controls_ad18xx_lfe
[idx
], ac97
))) < 0)
1395 ac97
->spec
.ad18xx
.pcmreg
[2] = init_val
;
1397 snd_ac97_write_cache(ac97
, AC97_PCM
, init_val
);
1399 if (!(ac97
->flags
& AC97_HAS_NO_STD_PCM
)) {
1400 if (ac97
->flags
& AC97_HAS_NO_PCM_VOL
)
1401 err
= snd_ac97_cmute_new(card
, "PCM Playback Switch", AC97_PCM
, ac97
);
1403 err
= snd_ac97_cmix_new(card
, "PCM Playback", AC97_PCM
, ac97
);
1409 /* build Capture controls */
1410 if (!(ac97
->flags
& AC97_HAS_NO_REC_GAIN
)) {
1411 if ((err
= snd_ctl_add(card
, snd_ac97_cnew(&snd_ac97_control_capture_src
, ac97
))) < 0)
1413 if (snd_ac97_try_bit(ac97
, AC97_REC_GAIN
, 15)) {
1414 if ((err
= snd_ac97_cmute_new(card
, "Capture Switch", AC97_REC_GAIN
, ac97
)) < 0)
1417 if ((err
= snd_ctl_add(card
, snd_ac97_cnew(&snd_ac97_control_capture_vol
, ac97
))) < 0)
1419 snd_ac97_write_cache(ac97
, AC97_REC_SEL
, 0x0000);
1420 snd_ac97_write_cache(ac97
, AC97_REC_GAIN
, 0x0000);
1422 /* build MIC Capture controls */
1423 if (snd_ac97_try_volume_mix(ac97
, AC97_REC_GAIN_MIC
)) {
1424 for (idx
= 0; idx
< 2; idx
++)
1425 if ((err
= snd_ctl_add(card
, snd_ac97_cnew(&snd_ac97_controls_mic_capture
[idx
], ac97
))) < 0)
1427 snd_ac97_write_cache(ac97
, AC97_REC_GAIN_MIC
, 0x0000);
1430 /* build PCM out path & mute control */
1431 if (snd_ac97_try_bit(ac97
, AC97_GENERAL_PURPOSE
, 15)) {
1432 if ((err
= snd_ctl_add(card
, snd_ac97_cnew(&snd_ac97_controls_general
[AC97_GENERAL_PCM_OUT
], ac97
))) < 0)
1436 /* build Simulated Stereo Enhancement control */
1437 if (ac97
->caps
& 0x0008) {
1438 if ((err
= snd_ctl_add(card
, snd_ac97_cnew(&snd_ac97_controls_general
[AC97_GENERAL_STEREO_ENHANCEMENT
], ac97
))) < 0)
1442 /* build 3D Stereo Enhancement control */
1443 if (snd_ac97_try_bit(ac97
, AC97_GENERAL_PURPOSE
, 13)) {
1444 if ((err
= snd_ctl_add(card
, snd_ac97_cnew(&snd_ac97_controls_general
[AC97_GENERAL_3D
], ac97
))) < 0)
1448 /* build Loudness control */
1449 if (ac97
->caps
& 0x0020) {
1450 if ((err
= snd_ctl_add(card
, snd_ac97_cnew(&snd_ac97_controls_general
[AC97_GENERAL_LOUDNESS
], ac97
))) < 0)
1454 /* build Mono output select control */
1455 if (snd_ac97_try_bit(ac97
, AC97_GENERAL_PURPOSE
, 9)) {
1456 if ((err
= snd_ctl_add(card
, snd_ac97_cnew(&snd_ac97_controls_general
[AC97_GENERAL_MONO
], ac97
))) < 0)
1460 /* build Mic select control */
1461 if (snd_ac97_try_bit(ac97
, AC97_GENERAL_PURPOSE
, 8)) {
1462 if ((err
= snd_ctl_add(card
, snd_ac97_cnew(&snd_ac97_controls_general
[AC97_GENERAL_MIC
], ac97
))) < 0)
1466 /* build ADC/DAC loopback control */
1467 if (enable_loopback
&& snd_ac97_try_bit(ac97
, AC97_GENERAL_PURPOSE
, 7)) {
1468 if ((err
= snd_ctl_add(card
, snd_ac97_cnew(&snd_ac97_controls_general
[AC97_GENERAL_LOOPBACK
], ac97
))) < 0)
1472 snd_ac97_update_bits(ac97
, AC97_GENERAL_PURPOSE
, ~AC97_GP_DRSS_MASK
, 0x0000);
1474 /* build 3D controls */
1475 if (ac97
->build_ops
->build_3d
) {
1476 ac97
->build_ops
->build_3d(ac97
);
1478 if (snd_ac97_try_volume_mix(ac97
, AC97_3D_CONTROL
)) {
1481 snd_ac97_write(ac97
, AC97_3D_CONTROL
, val
);
1482 val
= snd_ac97_read(ac97
, AC97_3D_CONTROL
);
1483 val
= val
== 0x0606;
1484 if ((err
= snd_ctl_add(card
, kctl
= snd_ac97_cnew(&snd_ac97_controls_3d
[0], ac97
))) < 0)
1487 kctl
->private_value
= AC97_3D_CONTROL
| (9 << 8) | (7 << 16);
1488 if ((err
= snd_ctl_add(card
, kctl
= snd_ac97_cnew(&snd_ac97_controls_3d
[1], ac97
))) < 0)
1491 kctl
->private_value
= AC97_3D_CONTROL
| (1 << 8) | (7 << 16);
1492 snd_ac97_write_cache(ac97
, AC97_3D_CONTROL
, 0x0000);
1496 /* build S/PDIF controls */
1497 if ((ac97
->ext_id
& AC97_EI_SPDIF
) && !(ac97
->scaps
& AC97_SCAP_NO_SPDIF
)) {
1498 if (ac97
->build_ops
->build_spdif
) {
1499 if ((err
= ac97
->build_ops
->build_spdif(ac97
)) < 0)
1502 for (idx
= 0; idx
< 5; idx
++)
1503 if ((err
= snd_ctl_add(card
, snd_ac97_cnew(&snd_ac97_controls_spdif
[idx
], ac97
))) < 0)
1505 if (ac97
->build_ops
->build_post_spdif
) {
1506 if ((err
= ac97
->build_ops
->build_post_spdif(ac97
)) < 0)
1509 /* set default PCM S/PDIF params */
1510 /* consumer,PCM audio,no copyright,no preemphasis,PCM coder,original,48000Hz */
1511 snd_ac97_write_cache(ac97
, AC97_SPDIF
, 0x2a20);
1512 ac97
->rates
[AC97_RATES_SPDIF
] = snd_ac97_determine_spdif_rates(ac97
);
1514 ac97
->spdif_status
= SNDRV_PCM_DEFAULT_CON_SPDIF
;
1517 /* build chip specific controls */
1518 if (ac97
->build_ops
->build_specific
)
1519 if ((err
= ac97
->build_ops
->build_specific(ac97
)) < 0)
1522 if (snd_ac97_try_bit(ac97
, AC97_POWERDOWN
, 15)) {
1523 kctl
= snd_ac97_cnew(&snd_ac97_control_eapd
, ac97
);
1526 if (ac97
->scaps
& AC97_SCAP_INV_EAPD
)
1527 set_inv_eapd(ac97
, kctl
);
1528 if ((err
= snd_ctl_add(card
, kctl
)) < 0)
1535 static int snd_ac97_modem_build(struct snd_card
*card
, struct snd_ac97
* ac97
)
1539 //printk("AC97_GPIO_CFG = %x\n",snd_ac97_read(ac97,AC97_GPIO_CFG));
1540 snd_ac97_write(ac97
, AC97_GPIO_CFG
, 0xffff & ~(AC97_GPIO_LINE1_OH
));
1541 snd_ac97_write(ac97
, AC97_GPIO_POLARITY
, 0xffff & ~(AC97_GPIO_LINE1_OH
));
1542 snd_ac97_write(ac97
, AC97_GPIO_STICKY
, 0xffff);
1543 snd_ac97_write(ac97
, AC97_GPIO_WAKEUP
, 0x0);
1544 snd_ac97_write(ac97
, AC97_MISC_AFE
, 0x0);
1546 /* build modem switches */
1547 for (idx
= 0; idx
< ARRAY_SIZE(snd_ac97_controls_modem_switches
); idx
++)
1548 if ((err
= snd_ctl_add(card
, snd_ctl_new1(&snd_ac97_controls_modem_switches
[idx
], ac97
))) < 0)
1551 /* build chip specific controls */
1552 if (ac97
->build_ops
->build_specific
)
1553 if ((err
= ac97
->build_ops
->build_specific(ac97
)) < 0)
1559 static int snd_ac97_test_rate(struct snd_ac97
*ac97
, int reg
, int shadow_reg
, int rate
)
1564 tmp
= ((unsigned int)rate
* ac97
->bus
->clock
) / 48000;
1565 snd_ac97_write_cache(ac97
, reg
, tmp
& 0xffff);
1567 snd_ac97_write_cache(ac97
, shadow_reg
, tmp
& 0xffff);
1568 val
= snd_ac97_read(ac97
, reg
);
1569 return val
== (tmp
& 0xffff);
1572 static void snd_ac97_determine_rates(struct snd_ac97
*ac97
, int reg
, int shadow_reg
, unsigned int *r_result
)
1574 unsigned int result
= 0;
1575 unsigned short saved
;
1577 if (ac97
->bus
->no_vra
) {
1578 *r_result
= SNDRV_PCM_RATE_48000
;
1579 if ((ac97
->flags
& AC97_DOUBLE_RATE
) &&
1580 reg
== AC97_PCM_FRONT_DAC_RATE
)
1581 *r_result
|= SNDRV_PCM_RATE_96000
;
1585 saved
= snd_ac97_read(ac97
, reg
);
1586 if ((ac97
->ext_id
& AC97_EI_DRA
) && reg
== AC97_PCM_FRONT_DAC_RATE
)
1587 snd_ac97_update_bits(ac97
, AC97_EXTENDED_STATUS
,
1589 /* test a non-standard rate */
1590 if (snd_ac97_test_rate(ac97
, reg
, shadow_reg
, 11000))
1591 result
|= SNDRV_PCM_RATE_CONTINUOUS
;
1592 /* let's try to obtain standard rates */
1593 if (snd_ac97_test_rate(ac97
, reg
, shadow_reg
, 8000))
1594 result
|= SNDRV_PCM_RATE_8000
;
1595 if (snd_ac97_test_rate(ac97
, reg
, shadow_reg
, 11025))
1596 result
|= SNDRV_PCM_RATE_11025
;
1597 if (snd_ac97_test_rate(ac97
, reg
, shadow_reg
, 16000))
1598 result
|= SNDRV_PCM_RATE_16000
;
1599 if (snd_ac97_test_rate(ac97
, reg
, shadow_reg
, 22050))
1600 result
|= SNDRV_PCM_RATE_22050
;
1601 if (snd_ac97_test_rate(ac97
, reg
, shadow_reg
, 32000))
1602 result
|= SNDRV_PCM_RATE_32000
;
1603 if (snd_ac97_test_rate(ac97
, reg
, shadow_reg
, 44100))
1604 result
|= SNDRV_PCM_RATE_44100
;
1605 if (snd_ac97_test_rate(ac97
, reg
, shadow_reg
, 48000))
1606 result
|= SNDRV_PCM_RATE_48000
;
1607 if ((ac97
->flags
& AC97_DOUBLE_RATE
) &&
1608 reg
== AC97_PCM_FRONT_DAC_RATE
) {
1609 /* test standard double rates */
1610 snd_ac97_update_bits(ac97
, AC97_EXTENDED_STATUS
,
1611 AC97_EA_DRA
, AC97_EA_DRA
);
1612 if (snd_ac97_test_rate(ac97
, reg
, shadow_reg
, 64000 / 2))
1613 result
|= SNDRV_PCM_RATE_64000
;
1614 if (snd_ac97_test_rate(ac97
, reg
, shadow_reg
, 88200 / 2))
1615 result
|= SNDRV_PCM_RATE_88200
;
1616 if (snd_ac97_test_rate(ac97
, reg
, shadow_reg
, 96000 / 2))
1617 result
|= SNDRV_PCM_RATE_96000
;
1618 /* some codecs don't support variable double rates */
1619 if (!snd_ac97_test_rate(ac97
, reg
, shadow_reg
, 76100 / 2))
1620 result
&= ~SNDRV_PCM_RATE_CONTINUOUS
;
1621 snd_ac97_update_bits(ac97
, AC97_EXTENDED_STATUS
,
1624 /* restore the default value */
1625 snd_ac97_write_cache(ac97
, reg
, saved
);
1627 snd_ac97_write_cache(ac97
, shadow_reg
, saved
);
1631 /* check AC97_SPDIF register to accept which sample rates */
1632 static unsigned int snd_ac97_determine_spdif_rates(struct snd_ac97
*ac97
)
1634 unsigned int result
= 0;
1636 static unsigned short ctl_bits
[] = {
1637 AC97_SC_SPSR_44K
, AC97_SC_SPSR_32K
, AC97_SC_SPSR_48K
1639 static unsigned int rate_bits
[] = {
1640 SNDRV_PCM_RATE_44100
, SNDRV_PCM_RATE_32000
, SNDRV_PCM_RATE_48000
1643 for (i
= 0; i
< (int)ARRAY_SIZE(ctl_bits
); i
++) {
1644 snd_ac97_update_bits(ac97
, AC97_SPDIF
, AC97_SC_SPSR_MASK
, ctl_bits
[i
]);
1645 if ((snd_ac97_read(ac97
, AC97_SPDIF
) & AC97_SC_SPSR_MASK
) == ctl_bits
[i
])
1646 result
|= rate_bits
[i
];
1651 /* look for the codec id table matching with the given id */
1652 static const struct ac97_codec_id
*look_for_codec_id(const struct ac97_codec_id
*table
,
1655 const struct ac97_codec_id
*pid
;
1657 for (pid
= table
; pid
->id
; pid
++)
1658 if (pid
->id
== (id
& pid
->mask
))
1663 void snd_ac97_get_name(struct snd_ac97
*ac97
, unsigned int id
, char *name
, int modem
)
1665 const struct ac97_codec_id
*pid
;
1667 sprintf(name
, "0x%x %c%c%c", id
,
1668 printable(id
>> 24),
1669 printable(id
>> 16),
1670 printable(id
>> 8));
1671 pid
= look_for_codec_id(snd_ac97_codec_id_vendors
, id
);
1675 strcpy(name
, pid
->name
);
1676 if (ac97
&& pid
->patch
) {
1677 if ((modem
&& (pid
->flags
& AC97_MODEM_PATCH
)) ||
1678 (! modem
&& ! (pid
->flags
& AC97_MODEM_PATCH
)))
1682 pid
= look_for_codec_id(snd_ac97_codec_ids
, id
);
1685 strcat(name
, pid
->name
);
1686 if (pid
->mask
!= 0xffffffff)
1687 sprintf(name
+ strlen(name
), " rev %d", id
& ~pid
->mask
);
1688 if (ac97
&& pid
->patch
) {
1689 if ((modem
&& (pid
->flags
& AC97_MODEM_PATCH
)) ||
1690 (! modem
&& ! (pid
->flags
& AC97_MODEM_PATCH
)))
1694 sprintf(name
+ strlen(name
), " id %x", id
& 0xff);
1698 * snd_ac97_get_short_name - retrieve codec name
1699 * @ac97: the codec instance
1701 * Returns the short identifying name of the codec.
1703 const char *snd_ac97_get_short_name(struct snd_ac97
*ac97
)
1705 const struct ac97_codec_id
*pid
;
1707 for (pid
= snd_ac97_codec_ids
; pid
->id
; pid
++)
1708 if (pid
->id
== (ac97
->id
& pid
->mask
))
1710 return "unknown codec";
1714 /* wait for a while until registers are accessible after RESET
1715 * return 0 if ok, negative not ready
1717 static int ac97_reset_wait(struct snd_ac97
*ac97
, int timeout
, int with_modem
)
1719 unsigned long end_time
;
1722 end_time
= jiffies
+ timeout
;
1725 /* use preliminary reads to settle the communication */
1726 snd_ac97_read(ac97
, AC97_RESET
);
1727 snd_ac97_read(ac97
, AC97_VENDOR_ID1
);
1728 snd_ac97_read(ac97
, AC97_VENDOR_ID2
);
1731 val
= snd_ac97_read(ac97
, AC97_EXTENDED_MID
);
1732 if (val
!= 0xffff && (val
& 1) != 0)
1735 if (ac97
->scaps
& AC97_SCAP_DETECT_BY_VENDOR
) {
1736 /* probably only Xbox issue - all registers are read as zero */
1737 val
= snd_ac97_read(ac97
, AC97_VENDOR_ID1
);
1738 if (val
!= 0 && val
!= 0xffff)
1741 /* because the PCM or MASTER volume registers can be modified,
1742 * the REC_GAIN register is used for tests
1744 /* test if we can write to the record gain volume register */
1745 snd_ac97_write_cache(ac97
, AC97_REC_GAIN
, 0x8a05);
1746 if ((snd_ac97_read(ac97
, AC97_REC_GAIN
) & 0x7fff) == 0x0a05)
1749 schedule_timeout_uninterruptible(1);
1750 } while (time_after_eq(end_time
, jiffies
));
1755 * snd_ac97_bus - create an AC97 bus component
1756 * @card: the card instance
1757 * @num: the bus number
1758 * @ops: the bus callbacks table
1759 * @private_data: private data pointer for the new instance
1760 * @rbus: the pointer to store the new AC97 bus instance.
1762 * Creates an AC97 bus component. An struct snd_ac97_bus instance is newly
1763 * allocated and initialized.
1765 * The ops table must include valid callbacks (at least read and
1766 * write). The other callbacks, wait and reset, are not mandatory.
1768 * The clock is set to 48000. If another clock is needed, set
1769 * (*rbus)->clock manually.
1771 * The AC97 bus instance is registered as a low-level device, so you don't
1772 * have to release it manually.
1774 * Returns zero if successful, or a negative error code on failure.
1776 int snd_ac97_bus(struct snd_card
*card
, int num
, struct snd_ac97_bus_ops
*ops
,
1777 void *private_data
, struct snd_ac97_bus
**rbus
)
1780 struct snd_ac97_bus
*bus
;
1781 static struct snd_device_ops dev_ops
= {
1782 .dev_free
= snd_ac97_bus_dev_free
,
1785 snd_assert(card
!= NULL
, return -EINVAL
);
1786 snd_assert(rbus
!= NULL
, return -EINVAL
);
1787 bus
= kzalloc(sizeof(*bus
), GFP_KERNEL
);
1793 bus
->private_data
= private_data
;
1795 spin_lock_init(&bus
->bus_lock
);
1796 snd_ac97_bus_proc_init(bus
);
1797 if ((err
= snd_device_new(card
, SNDRV_DEV_BUS
, bus
, &dev_ops
)) < 0) {
1798 snd_ac97_bus_free(bus
);
1805 /* stop no dev release warning */
1806 static void ac97_device_release(struct device
* dev
)
1810 /* register ac97 codec to bus */
1811 static int snd_ac97_dev_register(struct snd_device
*device
)
1813 struct snd_ac97
*ac97
= device
->device_data
;
1816 ac97
->dev
.bus
= &ac97_bus_type
;
1817 ac97
->dev
.parent
= ac97
->bus
->card
->dev
;
1818 ac97
->dev
.release
= ac97_device_release
;
1819 snprintf(ac97
->dev
.bus_id
, BUS_ID_SIZE
, "card%d-%d", ac97
->bus
->card
->number
, ac97
->num
);
1820 if ((err
= device_register(&ac97
->dev
)) < 0) {
1821 snd_printk(KERN_ERR
"Can't register ac97 bus\n");
1822 ac97
->dev
.bus
= NULL
;
1828 /* unregister ac97 codec */
1829 static int snd_ac97_dev_unregister(struct snd_device
*device
)
1831 struct snd_ac97
*ac97
= device
->device_data
;
1833 device_unregister(&ac97
->dev
);
1834 return snd_ac97_free(ac97
);
1837 /* build_ops to do nothing */
1838 static struct snd_ac97_build_ops null_build_ops
;
1841 * snd_ac97_mixer - create an Codec97 component
1842 * @bus: the AC97 bus which codec is attached to
1843 * @template: the template of ac97, including index, callbacks and
1845 * @rac97: the pointer to store the new ac97 instance.
1847 * Creates an Codec97 component. An struct snd_ac97 instance is newly
1848 * allocated and initialized from the template. The codec
1849 * is then initialized by the standard procedure.
1851 * The template must include the codec number (num) and address (addr),
1852 * and the private data (private_data).
1854 * The ac97 instance is registered as a low-level device, so you don't
1855 * have to release it manually.
1857 * Returns zero if successful, or a negative error code on failure.
1859 int snd_ac97_mixer(struct snd_ac97_bus
*bus
, struct snd_ac97_template
*template, struct snd_ac97
**rac97
)
1862 struct snd_ac97
*ac97
;
1863 struct snd_card
*card
;
1865 unsigned long end_time
;
1867 const struct ac97_codec_id
*pid
;
1868 static struct snd_device_ops ops
= {
1869 .dev_free
= snd_ac97_dev_free
,
1870 .dev_register
= snd_ac97_dev_register
,
1871 .dev_unregister
= snd_ac97_dev_unregister
,
1874 snd_assert(rac97
!= NULL
, return -EINVAL
);
1876 snd_assert(bus
!= NULL
&& template != NULL
, return -EINVAL
);
1877 snd_assert(template->num
< 4 && bus
->codec
[template->num
] == NULL
, return -EINVAL
);
1880 ac97
= kzalloc(sizeof(*ac97
), GFP_KERNEL
);
1883 ac97
->private_data
= template->private_data
;
1884 ac97
->private_free
= template->private_free
;
1886 ac97
->pci
= template->pci
;
1887 ac97
->num
= template->num
;
1888 ac97
->addr
= template->addr
;
1889 ac97
->scaps
= template->scaps
;
1890 ac97
->limited_regs
= template->limited_regs
;
1891 memcpy(ac97
->reg_accessed
, template->reg_accessed
, sizeof(ac97
->reg_accessed
));
1892 bus
->codec
[ac97
->num
] = ac97
;
1893 init_MUTEX(&ac97
->reg_mutex
);
1894 init_MUTEX(&ac97
->page_mutex
);
1897 pci_read_config_word(ac97
->pci
, PCI_SUBSYSTEM_VENDOR_ID
, &ac97
->subsystem_vendor
);
1898 pci_read_config_word(ac97
->pci
, PCI_SUBSYSTEM_ID
, &ac97
->subsystem_device
);
1900 if (bus
->ops
->reset
) {
1901 bus
->ops
->reset(ac97
);
1905 ac97
->id
= snd_ac97_read(ac97
, AC97_VENDOR_ID1
) << 16;
1906 ac97
->id
|= snd_ac97_read(ac97
, AC97_VENDOR_ID2
);
1907 if (ac97
->id
&& ac97
->id
!= (unsigned int)-1) {
1908 pid
= look_for_codec_id(snd_ac97_codec_ids
, ac97
->id
);
1909 if (pid
&& (pid
->flags
& AC97_DEFAULT_POWER_OFF
))
1913 /* reset to defaults */
1914 if (!(ac97
->scaps
& AC97_SCAP_SKIP_AUDIO
))
1915 snd_ac97_write(ac97
, AC97_RESET
, 0);
1916 if (!(ac97
->scaps
& AC97_SCAP_SKIP_MODEM
))
1917 snd_ac97_write(ac97
, AC97_EXTENDED_MID
, 0);
1919 bus
->ops
->wait(ac97
);
1922 if (ac97
->scaps
& AC97_SCAP_SKIP_AUDIO
)
1923 err
= ac97_reset_wait(ac97
, HZ
/2, 1);
1925 err
= ac97_reset_wait(ac97
, HZ
/2, 0);
1927 err
= ac97_reset_wait(ac97
, HZ
/2, 1);
1930 snd_printk(KERN_WARNING
"AC'97 %d does not respond - RESET\n", ac97
->num
);
1931 /* proceed anyway - it's often non-critical */
1935 ac97
->id
= snd_ac97_read(ac97
, AC97_VENDOR_ID1
) << 16;
1936 ac97
->id
|= snd_ac97_read(ac97
, AC97_VENDOR_ID2
);
1937 if (! (ac97
->scaps
& AC97_SCAP_DETECT_BY_VENDOR
) &&
1938 (ac97
->id
== 0x00000000 || ac97
->id
== 0xffffffff)) {
1939 snd_printk(KERN_ERR
"AC'97 %d access is not valid [0x%x], removing mixer.\n", ac97
->num
, ac97
->id
);
1940 snd_ac97_free(ac97
);
1943 pid
= look_for_codec_id(snd_ac97_codec_ids
, ac97
->id
);
1945 ac97
->flags
|= pid
->flags
;
1947 /* test for AC'97 */
1948 if (!(ac97
->scaps
& AC97_SCAP_SKIP_AUDIO
) && !(ac97
->scaps
& AC97_SCAP_AUDIO
)) {
1949 /* test if we can write to the record gain volume register */
1950 snd_ac97_write_cache(ac97
, AC97_REC_GAIN
, 0x8a06);
1951 if (((err
= snd_ac97_read(ac97
, AC97_REC_GAIN
)) & 0x7fff) == 0x0a06)
1952 ac97
->scaps
|= AC97_SCAP_AUDIO
;
1954 if (ac97
->scaps
& AC97_SCAP_AUDIO
) {
1955 ac97
->caps
= snd_ac97_read(ac97
, AC97_RESET
);
1956 ac97
->ext_id
= snd_ac97_read(ac97
, AC97_EXTENDED_ID
);
1957 if (ac97
->ext_id
== 0xffff) /* invalid combination */
1961 /* test for MC'97 */
1962 if (!(ac97
->scaps
& AC97_SCAP_SKIP_MODEM
) && !(ac97
->scaps
& AC97_SCAP_MODEM
)) {
1963 ac97
->ext_mid
= snd_ac97_read(ac97
, AC97_EXTENDED_MID
);
1964 if (ac97
->ext_mid
== 0xffff) /* invalid combination */
1966 if (ac97
->ext_mid
& 1)
1967 ac97
->scaps
|= AC97_SCAP_MODEM
;
1970 if (!ac97_is_audio(ac97
) && !ac97_is_modem(ac97
)) {
1971 if (!(ac97
->scaps
& (AC97_SCAP_SKIP_AUDIO
|AC97_SCAP_SKIP_MODEM
)))
1972 snd_printk(KERN_ERR
"AC'97 %d access error (not audio or modem codec)\n", ac97
->num
);
1973 snd_ac97_free(ac97
);
1977 if (bus
->ops
->reset
) // FIXME: always skipping?
1980 /* FIXME: add powerdown control */
1981 if (ac97_is_audio(ac97
)) {
1982 /* nothing should be in powerdown mode */
1983 snd_ac97_write_cache(ac97
, AC97_POWERDOWN
, 0);
1984 if (! (ac97
->flags
& AC97_DEFAULT_POWER_OFF
)) {
1985 snd_ac97_write_cache(ac97
, AC97_RESET
, 0); /* reset to defaults */
1987 snd_ac97_write_cache(ac97
, AC97_POWERDOWN
, 0);
1989 /* nothing should be in powerdown mode */
1990 snd_ac97_write_cache(ac97
, AC97_GENERAL_PURPOSE
, 0);
1991 end_time
= jiffies
+ (HZ
/ 10);
1993 if ((snd_ac97_read(ac97
, AC97_POWERDOWN
) & 0x0f) == 0x0f)
1995 schedule_timeout_uninterruptible(1);
1996 } while (time_after_eq(end_time
, jiffies
));
1997 snd_printk(KERN_WARNING
"AC'97 %d analog subsections not ready\n", ac97
->num
);
2000 /* FIXME: add powerdown control */
2001 if (ac97_is_modem(ac97
)) {
2004 /* nothing should be in powerdown mode */
2005 /* note: it's important to set the rate at first */
2006 tmp
= AC97_MEA_GPIO
;
2007 if (ac97
->ext_mid
& AC97_MEI_LINE1
) {
2008 snd_ac97_write_cache(ac97
, AC97_LINE1_RATE
, 8000);
2009 tmp
|= AC97_MEA_ADC1
| AC97_MEA_DAC1
;
2011 if (ac97
->ext_mid
& AC97_MEI_LINE2
) {
2012 snd_ac97_write_cache(ac97
, AC97_LINE2_RATE
, 8000);
2013 tmp
|= AC97_MEA_ADC2
| AC97_MEA_DAC2
;
2015 if (ac97
->ext_mid
& AC97_MEI_HANDSET
) {
2016 snd_ac97_write_cache(ac97
, AC97_HANDSET_RATE
, 8000);
2017 tmp
|= AC97_MEA_HADC
| AC97_MEA_HDAC
;
2019 snd_ac97_write_cache(ac97
, AC97_EXTENDED_MSTATUS
, 0);
2021 /* nothing should be in powerdown mode */
2022 snd_ac97_write_cache(ac97
, AC97_EXTENDED_MSTATUS
, 0);
2023 end_time
= jiffies
+ (HZ
/ 10);
2025 if ((snd_ac97_read(ac97
, AC97_EXTENDED_MSTATUS
) & tmp
) == tmp
)
2027 schedule_timeout_uninterruptible(1);
2028 } while (time_after_eq(end_time
, jiffies
));
2029 snd_printk(KERN_WARNING
"MC'97 %d converters and GPIO not ready (0x%x)\n", ac97
->num
, snd_ac97_read(ac97
, AC97_EXTENDED_MSTATUS
));
2033 if (ac97_is_audio(ac97
))
2034 ac97
->addr
= (ac97
->ext_id
& AC97_EI_ADDR_MASK
) >> AC97_EI_ADDR_SHIFT
;
2036 ac97
->addr
= (ac97
->ext_mid
& AC97_MEI_ADDR_MASK
) >> AC97_MEI_ADDR_SHIFT
;
2037 if (ac97
->ext_id
& 0x01c9) { /* L/R, MIC, SDAC, LDAC VRA support */
2038 reg
= snd_ac97_read(ac97
, AC97_EXTENDED_STATUS
);
2039 reg
|= ac97
->ext_id
& 0x01c0; /* LDAC/SDAC/CDAC */
2041 reg
|= ac97
->ext_id
& 0x0009; /* VRA/VRM */
2042 snd_ac97_write_cache(ac97
, AC97_EXTENDED_STATUS
, reg
);
2044 if ((ac97
->ext_id
& AC97_EI_DRA
) && bus
->dra
) {
2045 /* Intel controllers require double rate data to be put in
2046 * slots 7+8, so let's hope the codec supports it. */
2047 snd_ac97_update_bits(ac97
, AC97_GENERAL_PURPOSE
, AC97_GP_DRSS_MASK
, AC97_GP_DRSS_78
);
2048 if ((snd_ac97_read(ac97
, AC97_GENERAL_PURPOSE
) & AC97_GP_DRSS_MASK
) == AC97_GP_DRSS_78
)
2049 ac97
->flags
|= AC97_DOUBLE_RATE
;
2050 /* restore to slots 10/11 to avoid the confliction with surrounds */
2051 snd_ac97_update_bits(ac97
, AC97_GENERAL_PURPOSE
, AC97_GP_DRSS_MASK
, 0);
2053 if (ac97
->ext_id
& AC97_EI_VRA
) { /* VRA support */
2054 snd_ac97_determine_rates(ac97
, AC97_PCM_FRONT_DAC_RATE
, 0, &ac97
->rates
[AC97_RATES_FRONT_DAC
]);
2055 snd_ac97_determine_rates(ac97
, AC97_PCM_LR_ADC_RATE
, 0, &ac97
->rates
[AC97_RATES_ADC
]);
2057 ac97
->rates
[AC97_RATES_FRONT_DAC
] = SNDRV_PCM_RATE_48000
;
2058 if (ac97
->flags
& AC97_DOUBLE_RATE
)
2059 ac97
->rates
[AC97_RATES_FRONT_DAC
] |= SNDRV_PCM_RATE_96000
;
2060 ac97
->rates
[AC97_RATES_ADC
] = SNDRV_PCM_RATE_48000
;
2062 if (ac97
->ext_id
& AC97_EI_SPDIF
) {
2063 /* codec specific code (patch) should override these values */
2064 ac97
->rates
[AC97_RATES_SPDIF
] = SNDRV_PCM_RATE_48000
| SNDRV_PCM_RATE_44100
| SNDRV_PCM_RATE_32000
;
2066 if (ac97
->ext_id
& AC97_EI_VRM
) { /* MIC VRA support */
2067 snd_ac97_determine_rates(ac97
, AC97_PCM_MIC_ADC_RATE
, 0, &ac97
->rates
[AC97_RATES_MIC_ADC
]);
2069 ac97
->rates
[AC97_RATES_MIC_ADC
] = SNDRV_PCM_RATE_48000
;
2071 if (ac97
->ext_id
& AC97_EI_SDAC
) { /* SDAC support */
2072 snd_ac97_determine_rates(ac97
, AC97_PCM_SURR_DAC_RATE
, AC97_PCM_FRONT_DAC_RATE
, &ac97
->rates
[AC97_RATES_SURR_DAC
]);
2073 ac97
->scaps
|= AC97_SCAP_SURROUND_DAC
;
2075 if (ac97
->ext_id
& AC97_EI_LDAC
) { /* LDAC support */
2076 snd_ac97_determine_rates(ac97
, AC97_PCM_LFE_DAC_RATE
, AC97_PCM_FRONT_DAC_RATE
, &ac97
->rates
[AC97_RATES_LFE_DAC
]);
2077 ac97
->scaps
|= AC97_SCAP_CENTER_LFE_DAC
;
2079 /* additional initializations */
2081 bus
->ops
->init(ac97
);
2082 snd_ac97_get_name(ac97
, ac97
->id
, name
, !ac97_is_audio(ac97
));
2083 snd_ac97_get_name(NULL
, ac97
->id
, name
, !ac97_is_audio(ac97
)); // ac97->id might be changed in the special setup code
2084 if (! ac97
->build_ops
)
2085 ac97
->build_ops
= &null_build_ops
;
2087 if (ac97_is_audio(ac97
)) {
2089 if (card
->mixername
[0] == '\0') {
2090 strcpy(card
->mixername
, name
);
2092 if (strlen(card
->mixername
) + 1 + strlen(name
) + 1 <= sizeof(card
->mixername
)) {
2093 strcat(card
->mixername
, ",");
2094 strcat(card
->mixername
, name
);
2097 sprintf(comp
, "AC97a:%08x", ac97
->id
);
2098 if ((err
= snd_component_add(card
, comp
)) < 0) {
2099 snd_ac97_free(ac97
);
2102 if (snd_ac97_mixer_build(ac97
) < 0) {
2103 snd_ac97_free(ac97
);
2107 if (ac97_is_modem(ac97
)) {
2109 if (card
->mixername
[0] == '\0') {
2110 strcpy(card
->mixername
, name
);
2112 if (strlen(card
->mixername
) + 1 + strlen(name
) + 1 <= sizeof(card
->mixername
)) {
2113 strcat(card
->mixername
, ",");
2114 strcat(card
->mixername
, name
);
2117 sprintf(comp
, "AC97m:%08x", ac97
->id
);
2118 if ((err
= snd_component_add(card
, comp
)) < 0) {
2119 snd_ac97_free(ac97
);
2122 if (snd_ac97_modem_build(card
, ac97
) < 0) {
2123 snd_ac97_free(ac97
);
2127 /* make sure the proper powerdown bits are cleared */
2128 if (ac97
->scaps
&& ac97_is_audio(ac97
)) {
2129 reg
= snd_ac97_read(ac97
, AC97_EXTENDED_STATUS
);
2130 if (ac97
->scaps
& AC97_SCAP_SURROUND_DAC
)
2131 reg
&= ~AC97_EA_PRJ
;
2132 if (ac97
->scaps
& AC97_SCAP_CENTER_LFE_DAC
)
2133 reg
&= ~(AC97_EA_PRI
| AC97_EA_PRK
);
2134 snd_ac97_write_cache(ac97
, AC97_EXTENDED_STATUS
, reg
);
2136 snd_ac97_proc_init(ac97
);
2137 if ((err
= snd_device_new(card
, SNDRV_DEV_CODEC
, ac97
, &ops
)) < 0) {
2138 snd_ac97_free(ac97
);
2147 * Power down the chip.
2149 * MASTER and HEADPHONE registers are muted but the register cache values
2150 * are not changed, so that the values can be restored in snd_ac97_resume().
2152 static void snd_ac97_powerdown(struct snd_ac97
*ac97
)
2154 unsigned short power
;
2156 if (ac97_is_audio(ac97
)) {
2157 /* some codecs have stereo mute bits */
2158 snd_ac97_write(ac97
, AC97_MASTER
, 0x9f9f);
2159 snd_ac97_write(ac97
, AC97_HEADPHONE
, 0x9f9f);
2162 power
= ac97
->regs
[AC97_POWERDOWN
] | 0x8000; /* EAPD */
2163 power
|= 0x4000; /* Headphone amplifier powerdown */
2164 power
|= 0x0300; /* ADC & DAC powerdown */
2165 snd_ac97_write(ac97
, AC97_POWERDOWN
, power
);
2167 power
|= 0x0400; /* Analog Mixer powerdown (Vref on) */
2168 snd_ac97_write(ac97
, AC97_POWERDOWN
, power
);
2171 /* FIXME: this causes click noises on some boards at resume */
2172 power
|= 0x3800; /* AC-link powerdown, internal Clk disable */
2173 snd_ac97_write(ac97
, AC97_POWERDOWN
, power
);
2180 * snd_ac97_suspend - General suspend function for AC97 codec
2181 * @ac97: the ac97 instance
2183 * Suspends the codec, power down the chip.
2185 void snd_ac97_suspend(struct snd_ac97
*ac97
)
2187 if (ac97
->build_ops
->suspend
)
2188 ac97
->build_ops
->suspend(ac97
);
2189 snd_ac97_powerdown(ac97
);
2193 * restore ac97 status
2195 void snd_ac97_restore_status(struct snd_ac97
*ac97
)
2199 for (i
= 2; i
< 0x7c ; i
+= 2) {
2200 if (i
== AC97_POWERDOWN
|| i
== AC97_EXTENDED_ID
)
2202 /* restore only accessible registers
2203 * some chip (e.g. nm256) may hang up when unsupported registers
2206 if (test_bit(i
, ac97
->reg_accessed
)) {
2207 snd_ac97_write(ac97
, i
, ac97
->regs
[i
]);
2208 snd_ac97_read(ac97
, i
);
2214 * restore IEC958 status
2216 void snd_ac97_restore_iec958(struct snd_ac97
*ac97
)
2218 if (ac97
->ext_id
& AC97_EI_SPDIF
) {
2219 if (ac97
->regs
[AC97_EXTENDED_STATUS
] & AC97_EA_SPDIF
) {
2220 /* reset spdif status */
2221 snd_ac97_update_bits(ac97
, AC97_EXTENDED_STATUS
, AC97_EA_SPDIF
, 0);
2222 snd_ac97_write(ac97
, AC97_EXTENDED_STATUS
, ac97
->regs
[AC97_EXTENDED_STATUS
]);
2223 if (ac97
->flags
& AC97_CS_SPDIF
)
2224 snd_ac97_write(ac97
, AC97_CSR_SPDIF
, ac97
->regs
[AC97_CSR_SPDIF
]);
2226 snd_ac97_write(ac97
, AC97_SPDIF
, ac97
->regs
[AC97_SPDIF
]);
2227 snd_ac97_update_bits(ac97
, AC97_EXTENDED_STATUS
, AC97_EA_SPDIF
, AC97_EA_SPDIF
); /* turn on again */
2233 * snd_ac97_resume - General resume function for AC97 codec
2234 * @ac97: the ac97 instance
2236 * Do the standard resume procedure, power up and restoring the
2237 * old register values.
2239 void snd_ac97_resume(struct snd_ac97
*ac97
)
2241 unsigned long end_time
;
2243 if (ac97
->bus
->ops
->reset
) {
2244 ac97
->bus
->ops
->reset(ac97
);
2248 snd_ac97_write(ac97
, AC97_POWERDOWN
, 0);
2249 if (! (ac97
->flags
& AC97_DEFAULT_POWER_OFF
)) {
2250 snd_ac97_write(ac97
, AC97_RESET
, 0);
2252 snd_ac97_write(ac97
, AC97_POWERDOWN
, 0);
2254 snd_ac97_write(ac97
, AC97_GENERAL_PURPOSE
, 0);
2256 snd_ac97_write(ac97
, AC97_POWERDOWN
, ac97
->regs
[AC97_POWERDOWN
]);
2257 if (ac97_is_audio(ac97
)) {
2258 ac97
->bus
->ops
->write(ac97
, AC97_MASTER
, 0x8101);
2259 end_time
= jiffies
+ msecs_to_jiffies(100);
2261 if (snd_ac97_read(ac97
, AC97_MASTER
) == 0x8101)
2263 schedule_timeout_uninterruptible(1);
2264 } while (time_after_eq(end_time
, jiffies
));
2265 /* FIXME: extra delay */
2266 ac97
->bus
->ops
->write(ac97
, AC97_MASTER
, 0x8000);
2267 if (snd_ac97_read(ac97
, AC97_MASTER
) != 0x8000)
2270 end_time
= jiffies
+ msecs_to_jiffies(100);
2272 unsigned short val
= snd_ac97_read(ac97
, AC97_EXTENDED_MID
);
2273 if (val
!= 0xffff && (val
& 1) != 0)
2275 schedule_timeout_uninterruptible(1);
2276 } while (time_after_eq(end_time
, jiffies
));
2280 if (ac97
->bus
->ops
->init
)
2281 ac97
->bus
->ops
->init(ac97
);
2283 if (ac97
->build_ops
->resume
)
2284 ac97
->build_ops
->resume(ac97
);
2286 snd_ac97_restore_status(ac97
);
2287 snd_ac97_restore_iec958(ac97
);
2296 static void set_ctl_name(char *dst
, const char *src
, const char *suffix
)
2299 sprintf(dst
, "%s %s", src
, suffix
);
2304 /* remove the control with the given name and optional suffix */
2305 int snd_ac97_remove_ctl(struct snd_ac97
*ac97
, const char *name
, const char *suffix
)
2307 struct snd_ctl_elem_id id
;
2308 memset(&id
, 0, sizeof(id
));
2309 set_ctl_name(id
.name
, name
, suffix
);
2310 id
.iface
= SNDRV_CTL_ELEM_IFACE_MIXER
;
2311 return snd_ctl_remove_id(ac97
->bus
->card
, &id
);
2314 static struct snd_kcontrol
*ctl_find(struct snd_ac97
*ac97
, const char *name
, const char *suffix
)
2316 struct snd_ctl_elem_id sid
;
2317 memset(&sid
, 0, sizeof(sid
));
2318 set_ctl_name(sid
.name
, name
, suffix
);
2319 sid
.iface
= SNDRV_CTL_ELEM_IFACE_MIXER
;
2320 return snd_ctl_find_id(ac97
->bus
->card
, &sid
);
2323 /* rename the control with the given name and optional suffix */
2324 int snd_ac97_rename_ctl(struct snd_ac97
*ac97
, const char *src
, const char *dst
, const char *suffix
)
2326 struct snd_kcontrol
*kctl
= ctl_find(ac97
, src
, suffix
);
2328 set_ctl_name(kctl
->id
.name
, dst
, suffix
);
2334 /* rename both Volume and Switch controls - don't check the return value */
2335 void snd_ac97_rename_vol_ctl(struct snd_ac97
*ac97
, const char *src
, const char *dst
)
2337 snd_ac97_rename_ctl(ac97
, src
, dst
, "Switch");
2338 snd_ac97_rename_ctl(ac97
, src
, dst
, "Volume");
2342 int snd_ac97_swap_ctl(struct snd_ac97
*ac97
, const char *s1
, const char *s2
, const char *suffix
)
2344 struct snd_kcontrol
*kctl1
, *kctl2
;
2345 kctl1
= ctl_find(ac97
, s1
, suffix
);
2346 kctl2
= ctl_find(ac97
, s2
, suffix
);
2347 if (kctl1
&& kctl2
) {
2348 set_ctl_name(kctl1
->id
.name
, s2
, suffix
);
2349 set_ctl_name(kctl2
->id
.name
, s1
, suffix
);
2356 /* bind hp and master controls instead of using only hp control */
2357 static int bind_hp_volsw_put(struct snd_kcontrol
*kcontrol
, struct snd_ctl_elem_value
*ucontrol
)
2359 int err
= snd_ac97_put_volsw(kcontrol
, ucontrol
);
2361 unsigned long priv_saved
= kcontrol
->private_value
;
2362 kcontrol
->private_value
= (kcontrol
->private_value
& ~0xff) | AC97_HEADPHONE
;
2363 snd_ac97_put_volsw(kcontrol
, ucontrol
);
2364 kcontrol
->private_value
= priv_saved
;
2369 /* ac97 tune: bind Master and Headphone controls */
2370 static int tune_hp_only(struct snd_ac97
*ac97
)
2372 struct snd_kcontrol
*msw
= ctl_find(ac97
, "Master Playback Switch", NULL
);
2373 struct snd_kcontrol
*mvol
= ctl_find(ac97
, "Master Playback Volume", NULL
);
2374 if (! msw
|| ! mvol
)
2376 msw
->put
= bind_hp_volsw_put
;
2377 mvol
->put
= bind_hp_volsw_put
;
2378 snd_ac97_remove_ctl(ac97
, "Headphone Playback", "Switch");
2379 snd_ac97_remove_ctl(ac97
, "Headphone Playback", "Volume");
2384 /* ac97 tune: use Headphone control as master */
2385 static int tune_hp_only(struct snd_ac97
*ac97
)
2387 if (ctl_find(ac97
, "Headphone Playback Switch", NULL
) == NULL
)
2389 snd_ac97_remove_ctl(ac97
, "Master Playback", "Switch");
2390 snd_ac97_remove_ctl(ac97
, "Master Playback", "Volume");
2391 snd_ac97_rename_vol_ctl(ac97
, "Headphone Playback", "Master Playback");
2396 /* ac97 tune: swap Headphone and Master controls */
2397 static int tune_swap_hp(struct snd_ac97
*ac97
)
2399 if (ctl_find(ac97
, "Headphone Playback Switch", NULL
) == NULL
)
2401 snd_ac97_rename_vol_ctl(ac97
, "Master Playback", "Line-Out Playback");
2402 snd_ac97_rename_vol_ctl(ac97
, "Headphone Playback", "Master Playback");
2406 /* ac97 tune: swap Surround and Master controls */
2407 static int tune_swap_surround(struct snd_ac97
*ac97
)
2409 if (snd_ac97_swap_ctl(ac97
, "Master Playback", "Surround Playback", "Switch") ||
2410 snd_ac97_swap_ctl(ac97
, "Master Playback", "Surround Playback", "Volume"))
2415 /* ac97 tune: set up mic sharing for AD codecs */
2416 static int tune_ad_sharing(struct snd_ac97
*ac97
)
2418 unsigned short scfg
;
2419 if ((ac97
->id
& 0xffffff00) != 0x41445300) {
2420 snd_printk(KERN_ERR
"ac97_quirk AD_SHARING is only for AD codecs\n");
2423 /* Turn on OMS bit to route microphone to back panel */
2424 scfg
= snd_ac97_read(ac97
, AC97_AD_SERIAL_CFG
);
2425 snd_ac97_write_cache(ac97
, AC97_AD_SERIAL_CFG
, scfg
| 0x0200);
2429 static const struct snd_kcontrol_new snd_ac97_alc_jack_detect
=
2430 AC97_SINGLE("Jack Detect", AC97_ALC650_CLOCK
, 5, 1, 0);
2432 /* ac97 tune: set up ALC jack-select */
2433 static int tune_alc_jack(struct snd_ac97
*ac97
)
2435 if ((ac97
->id
& 0xffffff00) != 0x414c4700) {
2436 snd_printk(KERN_ERR
"ac97_quirk ALC_JACK is only for Realtek codecs\n");
2439 snd_ac97_update_bits(ac97
, 0x7a, 0x20, 0x20); /* select jack detect function */
2440 snd_ac97_update_bits(ac97
, 0x7a, 0x01, 0x01); /* Line-out auto mute */
2441 return snd_ctl_add(ac97
->bus
->card
, snd_ac97_cnew(&snd_ac97_alc_jack_detect
, ac97
));
2444 /* ac97 tune: inversed EAPD bit */
2445 static int tune_inv_eapd(struct snd_ac97
*ac97
)
2447 struct snd_kcontrol
*kctl
= ctl_find(ac97
, "External Amplifier", NULL
);
2450 set_inv_eapd(ac97
, kctl
);
2454 static int master_mute_sw_put(struct snd_kcontrol
*kcontrol
, struct snd_ctl_elem_value
*ucontrol
)
2456 int err
= snd_ac97_put_volsw(kcontrol
, ucontrol
);
2458 struct snd_ac97
*ac97
= snd_kcontrol_chip(kcontrol
);
2459 int shift
= (kcontrol
->private_value
>> 8) & 0x0f;
2460 int rshift
= (kcontrol
->private_value
>> 12) & 0x0f;
2461 unsigned short mask
;
2462 if (shift
!= rshift
)
2466 snd_ac97_update_bits(ac97
, AC97_POWERDOWN
, 0x8000,
2467 (ac97
->regs
[AC97_MASTER
] & mask
) == mask
?
2473 /* ac97 tune: EAPD controls mute LED bound with the master mute */
2474 static int tune_mute_led(struct snd_ac97
*ac97
)
2476 struct snd_kcontrol
*msw
= ctl_find(ac97
, "Master Playback Switch", NULL
);
2479 msw
->put
= master_mute_sw_put
;
2480 snd_ac97_remove_ctl(ac97
, "External Amplifier", NULL
);
2481 snd_ac97_update_bits(ac97
, AC97_POWERDOWN
, 0x8000, 0x8000); /* mute LED on */
2485 struct quirk_table
{
2487 int (*func
)(struct snd_ac97
*);
2490 static struct quirk_table applicable_quirks
[] = {
2492 { "hp_only", tune_hp_only
},
2493 { "swap_hp", tune_swap_hp
},
2494 { "swap_surround", tune_swap_surround
},
2495 { "ad_sharing", tune_ad_sharing
},
2496 { "alc_jack", tune_alc_jack
},
2497 { "inv_eapd", tune_inv_eapd
},
2498 { "mute_led", tune_mute_led
},
2501 /* apply the quirk with the given type */
2502 static int apply_quirk(struct snd_ac97
*ac97
, int type
)
2506 else if (type
>= ARRAY_SIZE(applicable_quirks
))
2508 if (applicable_quirks
[type
].func
)
2509 return applicable_quirks
[type
].func(ac97
);
2513 /* apply the quirk with the given name */
2514 static int apply_quirk_str(struct snd_ac97
*ac97
, const char *typestr
)
2517 struct quirk_table
*q
;
2519 for (i
= 0; i
< ARRAY_SIZE(applicable_quirks
); i
++) {
2520 q
= &applicable_quirks
[i
];
2521 if (q
->name
&& ! strcmp(typestr
, q
->name
))
2522 return apply_quirk(ac97
, i
);
2524 /* for compatibility, accept the numbers, too */
2525 if (*typestr
>= '0' && *typestr
<= '9')
2526 return apply_quirk(ac97
, (int)simple_strtoul(typestr
, NULL
, 10));
2531 * snd_ac97_tune_hardware - tune up the hardware
2532 * @ac97: the ac97 instance
2533 * @quirk: quirk list
2534 * @override: explicit quirk value (overrides the list if non-NULL)
2536 * Do some workaround for each pci device, such as renaming of the
2537 * headphone (true line-out) control as "Master".
2538 * The quirk-list must be terminated with a zero-filled entry.
2540 * Returns zero if successful, or a negative error code on failure.
2543 int snd_ac97_tune_hardware(struct snd_ac97
*ac97
, struct ac97_quirk
*quirk
, const char *override
)
2547 /* quirk overriden? */
2548 if (override
&& strcmp(override
, "-1") && strcmp(override
, "default")) {
2549 result
= apply_quirk_str(ac97
, override
);
2551 snd_printk(KERN_ERR
"applying quirk type %s failed (%d)\n", override
, result
);
2558 for (; quirk
->subvendor
; quirk
++) {
2559 if (quirk
->subvendor
!= ac97
->subsystem_vendor
)
2561 if ((! quirk
->mask
&& quirk
->subdevice
== ac97
->subsystem_device
) ||
2562 quirk
->subdevice
== (quirk
->mask
& ac97
->subsystem_device
)) {
2563 if (quirk
->codec_id
&& quirk
->codec_id
!= ac97
->id
)
2565 snd_printdd("ac97 quirk for %s (%04x:%04x)\n", quirk
->name
, ac97
->subsystem_vendor
, ac97
->subsystem_device
);
2566 result
= apply_quirk(ac97
, quirk
->type
);
2568 snd_printk(KERN_ERR
"applying quirk type %d for %s failed (%d)\n", quirk
->type
, quirk
->name
, result
);
2580 EXPORT_SYMBOL(snd_ac97_write
);
2581 EXPORT_SYMBOL(snd_ac97_read
);
2582 EXPORT_SYMBOL(snd_ac97_write_cache
);
2583 EXPORT_SYMBOL(snd_ac97_update
);
2584 EXPORT_SYMBOL(snd_ac97_update_bits
);
2585 EXPORT_SYMBOL(snd_ac97_get_short_name
);
2586 EXPORT_SYMBOL(snd_ac97_bus
);
2587 EXPORT_SYMBOL(snd_ac97_mixer
);
2588 EXPORT_SYMBOL(snd_ac97_pcm_assign
);
2589 EXPORT_SYMBOL(snd_ac97_pcm_open
);
2590 EXPORT_SYMBOL(snd_ac97_pcm_close
);
2591 EXPORT_SYMBOL(snd_ac97_pcm_double_rate_rules
);
2592 EXPORT_SYMBOL(snd_ac97_tune_hardware
);
2593 EXPORT_SYMBOL(snd_ac97_set_rate
);
2595 EXPORT_SYMBOL(snd_ac97_resume
);
2596 EXPORT_SYMBOL(snd_ac97_suspend
);
2603 static int __init
alsa_ac97_init(void)
2608 static void __exit
alsa_ac97_exit(void)
2612 module_init(alsa_ac97_init
)
2613 module_exit(alsa_ac97_exit
)